Why we need to go back to Mars - Joel Levine
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want<00:00:16.290> to<00:00:16.380> talk<00:00:16.590> about
want to talk about
want to talk about
4.6<00:00:18.510> billion<00:00:19.020> years<00:00:19.200> of<00:00:19.500> history<00:00:20.100> in<00:00:20.790> 18
4.6 billion years of history in 18
4.6 billion years of history in 18
minutes<00:00:21.570> that's<00:00:22.730> 300<00:00:23.730> million<00:00:24.150> years<00:00:24.540> per
minutes that's 300 million years per
minutes that's 300 million years per
minute<00:00:25.619> let's<00:00:26.099> start<00:00:26.550> with<00:00:27.150> the<00:00:27.360> first
minute let's start with the first
minute let's start with the first
photograph<00:00:28.320> NASA<00:00:28.680> obtained<00:00:29.340> of<00:00:29.640> planet<00:00:30.360> Mars
photograph NASA obtained of planet Mars
photograph NASA obtained of planet Mars
this<00:00:31.259> is<00:00:31.470> flyby<00:00:32.180> Mariner<00:00:33.180> 4<00:00:33.480> it<00:00:34.050> was<00:00:34.230> taken<00:00:34.739> in
this is flyby Mariner 4 it was taken in
this is flyby Mariner 4 it was taken in
1965<00:00:36.180> when<00:00:36.930> this<00:00:37.170> picture<00:00:37.800> appeared<00:00:38.340> that
1965 when this picture appeared that
1965 when this picture appeared that
well-known<00:00:39.860> scientific<00:00:40.860> journal<00:00:41.340> the<00:00:41.760> New
well-known scientific journal the New
well-known scientific journal the New
York<00:00:42.180> Times<00:00:42.510> wrote<00:00:43.079> in<00:00:43.379> its<00:00:43.680> editorial<00:00:44.239> Mars
York Times wrote in its editorial Mars
York Times wrote in its editorial Mars
is<00:00:45.570> uninteresting<00:00:46.410> it's<00:00:46.949> a<00:00:47.190> dead<00:00:47.399> world<00:00:47.699> NASA
is uninteresting it's a dead world NASA
is uninteresting it's a dead world NASA
should<00:00:49.019> not<00:00:49.260> spend<00:00:49.739> any<00:00:50.399> time<00:00:50.940> or<00:00:51.179> effort
should not spend any time or effort
should not spend any time or effort
studying<00:00:52.019> Mars<00:00:52.260> anymore
studying Mars anymore
studying Mars anymore
fortunately<00:00:54.120> our<00:00:54.149> leaders<00:00:54.960> in<00:00:55.140> Washington<00:00:55.170> at
fortunately our leaders in Washington at
fortunately our leaders in Washington at
NASA<00:00:56.160> headquarters<00:00:56.730> knew<00:00:57.179> better<00:00:57.420> and<00:00:57.719> we
NASA headquarters knew better and we
NASA headquarters knew better and we
began<00:00:58.829> a<00:00:58.890> very<00:00:59.480> extensive<00:01:00.480> study<00:01:00.809> of<00:01:01.559> the<00:01:02.010> red
began a very extensive study of the red
began a very extensive study of the red
planet<00:01:02.690> one<00:01:03.690> of<00:01:03.839> the<00:01:04.019> key<00:01:04.320> questions<00:01:05.129> in<00:01:05.640> all
planet one of the key questions in all
planet one of the key questions in all
of<00:01:06.000> science<00:01:06.180> is<00:01:06.990> there<00:01:07.710> life<00:01:07.980> outside<00:01:08.310> of
of science is there life outside of
of science is there life outside of
Earth<00:01:09.450> I<00:01:09.500> believe<00:01:10.500> that<00:01:11.159> Mars<00:01:11.550> is<00:01:11.850> the<00:01:11.880> most
Earth I believe that Mars is the most
Earth I believe that Mars is the most
likely<00:01:12.380> target<00:01:13.380> for<00:01:13.409> life<00:01:13.830> outside<00:01:14.100> the<00:01:14.580> earth
likely target for life outside the earth
likely target for life outside the earth
I'm<00:01:15.270> going<00:01:15.630> to<00:01:15.750> show<00:01:15.990> you<00:01:16.050> in<00:01:16.290> a<00:01:16.380> few<00:01:16.620> minutes
I'm going to show you in a few minutes
I'm going to show you in a few minutes
some<00:01:17.580> amazing<00:01:18.480> measurements<00:01:19.170> that<00:01:19.500> suggest
some amazing measurements that suggest
some amazing measurements that suggest
there<00:01:20.220> may<00:01:20.370> be<00:01:20.400> life<00:01:20.790> on<00:01:21.030> Mars<00:01:21.300> but<00:01:22.170> let<00:01:22.440> me
there may be life on Mars but let me
there may be life on Mars but let me
start<00:01:22.950> with<00:01:23.190> the<00:01:23.400> Viking<00:01:23.910> photograph<00:01:24.840> this<00:01:25.110> is
start with the Viking photograph this is
start with the Viking photograph this is
a<00:01:25.350> composite<00:01:25.860> taken<00:01:26.520> by<00:01:26.700> Viking<00:01:27.240> in<00:01:27.800> 1976
a composite taken by Viking in 1976
a composite taken by Viking in 1976
Viking<00:01:29.760> was<00:01:30.030> developed<00:01:30.780> and<00:01:31.280> managed<00:01:32.280> at<00:01:32.430> NASA
Viking was developed and managed at NASA
Viking was developed and managed at NASA
Langley<00:01:32.910> Research<00:01:33.210> Center<00:01:33.990> we<00:01:34.470> sent<00:01:34.800> two
Langley Research Center we sent two
Langley Research Center we sent two
orbiters<00:01:35.550> and<00:01:35.760> two<00:01:35.910> Landers<00:01:36.480> in<00:01:36.750> the<00:01:36.870> summer
orbiters and two Landers in the summer
orbiters and two Landers in the summer
of<00:01:37.520> 1976<00:01:38.520> we<00:01:39.060> had<00:01:39.270> four<00:01:39.630> spacecraft<00:01:40.620> around<00:01:41.160> -
of 1976 we had four spacecraft around -
of 1976 we had four spacecraft around -
around<00:01:41.550> Mars<00:01:42.120> -<00:01:42.750> on<00:01:42.930> the<00:01:43.080> surface<00:01:43.320> an<00:01:44.100> amazing
around Mars - on the surface an amazing
around Mars - on the surface an amazing
accomplishment<00:01:45.320> this<00:01:46.320> is<00:01:46.560> the<00:01:46.710> first
accomplishment this is the first
accomplishment this is the first
photograph<00:01:47.670> taken<00:01:48.360> from<00:01:48.450> the<00:01:48.660> surface<00:01:48.930> of<00:01:49.380> any
photograph taken from the surface of any
photograph taken from the surface of any
planet<00:01:50.370> this<00:01:50.550> is<00:01:50.610> a<00:01:50.760> Viking<00:01:51.330> Lander
planet this is a Viking Lander
planet this is a Viking Lander
photograph<00:01:52.350> of<00:01:52.620> the<00:01:53.400> surface<00:01:53.790> of<00:01:53.970> Mars<00:01:54.240> yes
photograph of the surface of Mars yes
photograph of the surface of Mars yes
the<00:01:55.530> red<00:01:55.710> planet<00:01:56.280> is<00:01:56.520> red<00:01:57.290> Mars<00:01:58.290> is<00:01:58.560> half<00:01:58.770> the
the red planet is red Mars is half the
the red planet is red Mars is half the
size<00:01:59.100> of<00:01:59.640> the<00:01:59.790> earth<00:01:59.820> but<00:02:00.510> because<00:02:00.900> two-thirds
size of the earth but because two-thirds
size of the earth but because two-thirds
of<00:02:01.770> the<00:02:01.920> earth<00:02:01.950> is<00:02:02.310> covered<00:02:02.520> by<00:02:02.730> water<00:02:03.150> the
of the earth is covered by water the
of the earth is covered by water the
land<00:02:04.290> area<00:02:04.800> on<00:02:05.220> Mars<00:02:05.760> is<00:02:06.210> comparable<00:02:06.720> to<00:02:06.840> the
land area on Mars is comparable to the
land area on Mars is comparable to the
land<00:02:07.230> area<00:02:07.680> on<00:02:07.920> earth<00:02:08.069> so<00:02:08.340> Mars<00:02:08.550> is<00:02:08.610> a<00:02:08.759> pretty
land area on earth so Mars is a pretty
land area on earth so Mars is a pretty
big<00:02:09.269> place<00:02:09.479> even<00:02:09.899> though<00:02:10.110> it's<00:02:10.289> only<00:02:10.560> it's
big place even though it's only it's
big place even though it's only it's
half<00:02:11.370> the<00:02:11.400> size
half the size
half the size
we<00:02:13.440> have<00:02:13.470> obtained<00:02:14.480> topographic
we have obtained topographic
we have obtained topographic
measurements<00:02:16.230> of<00:02:16.440> the<00:02:16.590> surface<00:02:17.069> of<00:02:17.280> Mars<00:02:17.519> we
measurements of the surface of Mars we
measurements of the surface of Mars we
understand<00:02:18.510> the<00:02:19.110> elevation<00:02:19.800> differences<00:02:20.460> we
understand the elevation differences we
understand the elevation differences we
know<00:02:21.270> a<00:02:21.300> lot<00:02:21.600> about<00:02:21.630> Mars<00:02:22.230> Mars<00:02:23.010> has<00:02:23.930> the
know a lot about Mars Mars has the
know a lot about Mars Mars has the
largest<00:02:24.560> volcano<00:02:25.040> in<00:02:25.370> the<00:02:25.400> solar<00:02:25.549> system
largest volcano in the solar system
largest volcano in the solar system
Olympus<00:02:27.140> Mons<00:02:27.650> Mars<00:02:28.640> has<00:02:29.060> the<00:02:29.750> Grand<00:02:30.079> Canyon
Olympus Mons Mars has the Grand Canyon
Olympus Mons Mars has the Grand Canyon
of<00:02:30.799> the<00:02:30.950> solar<00:02:31.220> system<00:02:31.819> Valles<00:02:32.269> Marineris
of the solar system Valles Marineris
of the solar system Valles Marineris
very<00:02:33.739> very<00:02:34.010> interesting<00:02:34.670> planet<00:02:35.150> Mars<00:02:36.140> has
very very interesting planet Mars has
very very interesting planet Mars has
the<00:02:37.280> largest<00:02:38.140> impact<00:02:39.140> crater<00:02:39.470> in<00:02:39.590> the<00:02:39.769> solar
the largest impact crater in the solar
the largest impact crater in the solar
system<00:02:40.400> Hellas<00:02:41.269> Basin<00:02:41.569> this<00:02:42.560> is<00:02:42.739> 2,000<00:02:43.459> miles
system Hellas Basin this is 2,000 miles
system Hellas Basin this is 2,000 miles
across<00:02:43.959> if<00:02:44.959> you<00:02:45.260> happen<00:02:45.590> to<00:02:45.620> be<00:02:45.829> on<00:02:45.980> Mars<00:02:46.310> when
across if you happen to be on Mars when
across if you happen to be on Mars when
this<00:02:46.970> impactor<00:02:47.750> hit<00:02:48.049> it<00:02:48.500> was<00:02:48.709> a<00:02:48.739> really<00:02:49.159> bad
this impactor hit it was a really bad
this impactor hit it was a really bad
day<00:02:49.790> on<00:02:49.819> Mars
day on Mars
day on Mars
this<00:02:52.700> is<00:02:52.970> Olympus<00:02:53.540> Mons<00:02:53.810> this<00:02:54.470> is<00:02:54.680> bigger<00:02:54.950> than
this is Olympus Mons this is bigger than
this is Olympus Mons this is bigger than
the<00:02:55.310> state<00:02:55.640> of<00:02:55.970> Arizona<00:02:56.799> volcanoes<00:02:57.799> are
the state of Arizona volcanoes are
the state of Arizona volcanoes are
important<00:02:58.489> because<00:02:58.639> volcanoes<00:02:59.540> produce
important because volcanoes produce
important because volcanoes produce
atmospheres<00:03:00.799> and<00:03:01.040> they<00:03:01.099> produce<00:03:01.340> oceans
atmospheres and they produce oceans
atmospheres and they produce oceans
we're<00:03:03.200> looking<00:03:03.530> at<00:03:03.739> Valles<00:03:04.370> Marineris<00:03:04.540> the
we're looking at Valles Marineris the
we're looking at Valles Marineris the
largest<00:03:06.049> canyon<00:03:06.379> in<00:03:06.680> the<00:03:06.709> solar<00:03:06.799> system
largest canyon in the solar system
largest canyon in the solar system
superimposed<00:03:08.389> on<00:03:08.659> a<00:03:08.689> map<00:03:09.349> of<00:03:09.560> the<00:03:09.620> United
superimposed on a map of the United
superimposed on a map of the United
States<00:03:10.239> 3,000<00:03:11.239> miles<00:03:11.420> across<00:03:11.810> one<00:03:12.799> of<00:03:12.889> the
States 3,000 miles across one of the
States 3,000 miles across one of the
most<00:03:13.159> intriguing<00:03:13.609> features<00:03:14.510> about<00:03:14.810> Mars<00:03:15.139> the
most intriguing features about Mars the
most intriguing features about Mars the
National<00:03:15.829> Academy<00:03:16.250> of<00:03:16.280> Science<00:03:16.790> says<00:03:17.090> one<00:03:17.329> of
National Academy of Science says one of
National Academy of Science says one of
the<00:03:17.599> 10<00:03:17.870> major<00:03:18.109> mysteries<00:03:18.950> of<00:03:19.340> the<00:03:19.519> space<00:03:20.480> age
the 10 major mysteries of the space age
the 10 major mysteries of the space age
is<00:03:21.170> why<00:03:21.799> certain<00:03:22.220> areas<00:03:22.819> of<00:03:23.060> Mars<00:03:23.359> are<00:03:23.750> so
is why certain areas of Mars are so
is why certain areas of Mars are so
highly<00:03:24.319> magnetized<00:03:25.220> we<00:03:25.730> call<00:03:25.939> this<00:03:26.090> crustal
highly magnetized we call this crustal
highly magnetized we call this crustal
magnetism<00:03:27.139> there<00:03:27.859> are<00:03:28.069> regions<00:03:28.489> on<00:03:28.699> Mars
magnetism there are regions on Mars
magnetism there are regions on Mars
where<00:03:29.359> for<00:03:29.599> some<00:03:29.840> reason<00:03:29.949> we<00:03:30.949> don't
where for some reason we don't
where for some reason we don't
understand<00:03:31.699> why<00:03:32.030> at<00:03:32.359> this<00:03:32.510> point<00:03:32.840> the<00:03:33.530> surface
understand why at this point the surface
understand why at this point the surface
is<00:03:34.370> very<00:03:34.669> very<00:03:34.940> highly<00:03:35.269> magnetized<00:03:36.079> is<00:03:36.980> there
is very very highly magnetized is there
is very very highly magnetized is there
water<00:03:37.549> on<00:03:37.819> Mars<00:03:38.090> the<00:03:38.690> answer<00:03:39.109> is<00:03:39.319> no<00:03:39.680> there<00:03:40.190> is
water on Mars the answer is no there is
water on Mars the answer is no there is
no<00:03:40.370> liquid<00:03:41.030> water<00:03:41.060> on<00:03:41.389> the<00:03:41.510> surface<00:03:41.629> of<00:03:42.169> Mars
no liquid water on the surface of Mars
no liquid water on the surface of Mars
today<00:03:42.819> but<00:03:43.819> there<00:03:44.329> is<00:03:44.480> intriguing<00:03:45.079> evidence
today but there is intriguing evidence
today but there is intriguing evidence
that<00:03:46.129> suggests<00:03:46.730> that<00:03:46.760> the<00:03:46.970> early<00:03:47.359> history<00:03:47.569> of
that suggests that the early history of
that suggests that the early history of
Mars<00:03:48.260> there<00:03:48.620> may<00:03:48.799> have<00:03:48.919> been<00:03:48.980> rivers<00:03:49.849> and<00:03:50.239> fast
Mars there may have been rivers and fast
Mars there may have been rivers and fast
flowing<00:03:51.590> water
flowing water
flowing water
today<00:03:53.479> Mars<00:03:53.989> is<00:03:54.260> very<00:03:54.290> very<00:03:54.829> dry<00:03:55.190> we<00:03:55.489> believe
today Mars is very very dry we believe
today Mars is very very dry we believe
there's<00:03:56.090> some<00:03:56.359> water<00:03:56.629> in<00:03:56.989> the<00:03:57.979> polar<00:03:58.220> caps
there's some water in the polar caps
there's some water in the polar caps
there<00:03:58.879> are<00:03:58.970> polar<00:03:59.180> caps<00:03:59.479> of<00:03:59.690> North<00:03:59.900> Pole<00:04:00.109> and
there are polar caps of North Pole and
there are polar caps of North Pole and
South<00:04:00.440> Pole<00:04:00.819> here<00:04:01.819> are<00:04:01.940> some<00:04:02.150> recent<00:04:02.389> images
South Pole here are some recent images
South Pole here are some recent images
this<00:04:03.290> is<00:04:03.349> from<00:04:03.790> Spirit<00:04:04.790> and<00:04:04.940> Opportunity
this is from Spirit and Opportunity
this is from Spirit and Opportunity
these<00:04:06.319> images<00:04:06.919> that<00:04:07.220> show<00:04:07.459> at<00:04:07.609> one<00:04:07.790> time<00:04:08.090> there
these images that show at one time there
these images that show at one time there
was<00:04:08.900> very<00:04:08.930> fast<00:04:09.739> flowing<00:04:10.159> water<00:04:10.340> on<00:04:10.760> the
was very fast flowing water on the
was very fast flowing water on the
surface<00:04:11.269> of<00:04:11.419> Mars<00:04:11.690> why<00:04:12.409> is<00:04:12.470> what<00:04:12.919> are
surface of Mars why is what are
surface of Mars why is what are
important<00:04:13.579> water<00:04:14.299> is<00:04:14.510> important<00:04:15.139> because<00:04:15.379> if
important water is important because if
important water is important because if
you<00:04:16.430> want<00:04:16.729> life<00:04:17.000> you<00:04:17.299> have<00:04:17.449> to<00:04:17.479> have<00:04:17.750> water
you want life you have to have water
you want life you have to have water
water<00:04:18.739> is<00:04:18.919> the<00:04:19.070> key<00:04:19.699> ingredient<00:04:20.329> in<00:04:20.510> the
water is the key ingredient in the
water is the key ingredient in the
evolution<00:04:21.859> the<00:04:22.070> arch<00:04:22.220> and<00:04:22.460> evolution<00:04:22.940> of<00:04:23.000> life
evolution the arch and evolution of life
evolution the arch and evolution of life
on<00:04:23.510> a<00:04:23.539> planet<00:04:24.159> here's<00:04:25.159> some<00:04:25.430> picture<00:04:25.849> of
on a planet here's some picture of
on a planet here's some picture of
Antarctica<00:04:26.930> and<00:04:27.169> a<00:04:27.229> picture<00:04:27.710> of<00:04:27.979> Olympus<00:04:28.550> Mons
Antarctica and a picture of Olympus Mons
Antarctica and a picture of Olympus Mons
very<00:04:29.599> similar<00:04:30.080> features<00:04:30.289> glaciers<00:04:31.190> so<00:04:31.880> this
very similar features glaciers so this
very similar features glaciers so this
is<00:04:32.360> frozen<00:04:32.750> water<00:04:33.289> this<00:04:33.560> is<00:04:33.740> ice<00:04:34.010> water<00:04:34.430> on
is frozen water this is ice water on
is frozen water this is ice water on
Mars<00:04:35.370> this<00:04:36.370> is<00:04:36.580> my<00:04:36.700> favorite<00:04:37.180> picture<00:04:37.450> this
Mars this is my favorite picture this
Mars this is my favorite picture this
has<00:04:38.050> we've<00:04:38.590> just<00:04:38.800> taken<00:04:38.980> a<00:04:39.220> few<00:04:39.400> weeks<00:04:39.460> ago<00:04:39.760> it
has we've just taken a few weeks ago it
has we've just taken a few weeks ago it
has<00:04:40.180> not<00:04:40.420> been<00:04:40.570> seen<00:04:40.780> publicly<00:04:41.290> this<00:04:41.920> is
has not been seen publicly this is
has not been seen publicly this is
European<00:04:42.760> Space<00:04:43.090> Agency<00:04:43.870> Mars<00:04:44.680> Express<00:04:45.100> image
European Space Agency Mars Express image
European Space Agency Mars Express image
of<00:04:45.850> a<00:04:46.030> crater<00:04:46.390> on<00:04:46.570> Mars<00:04:46.690> and<00:04:47.350> in<00:04:47.710> the<00:04:47.800> middle<00:04:48.070> of
of a crater on Mars and in the middle of
of a crater on Mars and in the middle of
the<00:04:48.280> crater<00:04:48.640> we<00:04:49.210> have<00:04:49.420> liquid<00:04:49.960> water<00:04:50.260> we<00:04:50.500> have
the crater we have liquid water we have
the crater we have liquid water we have
ice<00:04:50.980> very<00:04:51.730> intriguing<00:04:52.180> photograph<00:04:52.650> we<00:04:53.650> now
ice very intriguing photograph we now
ice very intriguing photograph we now
believe<00:04:54.520> that<00:04:54.940> in<00:04:55.270> the<00:04:55.390> early<00:04:55.690> history<00:04:55.900> of
believe that in the early history of
believe that in the early history of
Mars<00:04:56.950> which<00:04:57.340> is<00:04:57.600> 4.6<00:04:58.600> billion<00:04:59.020> years<00:04:59.200> ago
Mars which is 4.6 billion years ago
Mars which is 4.6 billion years ago
4.6<00:05:01.390> billion<00:05:01.630> years<00:05:01.780> ago<00:05:02.220> Mars<00:05:03.220> was<00:05:03.430> very
4.6 billion years ago Mars was very
4.6 billion years ago Mars was very
earth-like<00:05:04.240> Mars<00:05:04.870> had<00:05:05.740> rivers<00:05:06.190> Mars<00:05:06.580> had
earth-like Mars had rivers Mars had
earth-like Mars had rivers Mars had
lakes<00:05:07.150> but<00:05:07.540> more<00:05:07.720> important<00:05:08.290> Mars<00:05:08.890> had
lakes but more important Mars had
lakes but more important Mars had
planetary<00:05:10.150> scale<00:05:10.510> oceans<00:05:11.140> we<00:05:11.950> believe<00:05:12.340> that
planetary scale oceans we believe that
planetary scale oceans we believe that
the<00:05:12.790> oceans<00:05:13.210> were<00:05:13.510> in<00:05:13.840> the<00:05:14.020> northern
the oceans were in the northern
the oceans were in the northern
hemisphere<00:05:14.620> and<00:05:15.310> this<00:05:15.970> area<00:05:16.360> in<00:05:16.690> blue<00:05:17.050> which
hemisphere and this area in blue which
hemisphere and this area in blue which
shows<00:05:18.100> a<00:05:18.210> depression<00:05:19.210> of<00:05:19.390> about<00:05:19.720> four<00:05:20.080> miles
shows a depression of about four miles
shows a depression of about four miles
was<00:05:21.190> the<00:05:21.490> ancient<00:05:21.990> ocean<00:05:22.990> area<00:05:23.440> on<00:05:23.710> the
was the ancient ocean area on the
was the ancient ocean area on the
surface<00:05:24.280> of<00:05:24.460> Mars<00:05:24.700> where<00:05:25.690> did<00:05:25.960> the<00:05:26.110> oceans
surface of Mars where did the oceans
surface of Mars where did the oceans
worth<00:05:26.920> of<00:05:27.160> water<00:05:27.310> on<00:05:27.610> Mars<00:05:27.820> go<00:05:28.240> well<00:05:29.050> we<00:05:29.260> have
worth of water on Mars go well we have
worth of water on Mars go well we have
an<00:05:29.650> idea<00:05:30.100> this<00:05:30.940> is<00:05:31.270> a<00:05:31.570> measurement<00:05:32.200> we
an idea this is a measurement we
an idea this is a measurement we
obtained<00:05:32.980> a<00:05:33.190> few<00:05:33.400> years<00:05:33.640> ago<00:05:33.970> from<00:05:34.270> an<00:05:34.480> Mars
obtained a few years ago from an Mars
obtained a few years ago from an Mars
orbiting<00:05:35.200> satellite<00:05:35.920> called<00:05:36.190> Odyssey
orbiting satellite called Odyssey
orbiting satellite called Odyssey
subsurface<00:05:38.200> water<00:05:38.740> on<00:05:39.100> Mars<00:05:39.510> frozen<00:05:40.510> in<00:05:40.690> the
subsurface water on Mars frozen in the
subsurface water on Mars frozen in the
form<00:05:41.140> of<00:05:41.320> ice<00:05:41.590> and<00:05:41.620> this<00:05:42.550> shows<00:05:42.880> the<00:05:43.090> percent
form of ice and this shows the percent
form of ice and this shows the percent
if<00:05:44.200> it's<00:05:44.500> a<00:05:44.620> blueish<00:05:45.010> color<00:05:45.340> it<00:05:45.580> means<00:05:45.790> 16
if it's a blueish color it means 16
if it's a blueish color it means 16
percent<00:05:47.050> by<00:05:47.320> weight<00:05:47.850> 16<00:05:48.850> percent<00:05:49.330> by<00:05:49.510> weight
percent by weight 16 percent by weight
percent by weight 16 percent by weight
of<00:05:49.780> the<00:05:49.990> Interior<00:05:50.400> contains<00:05:51.400> frozen<00:05:52.120> water<00:05:52.390> or
of the Interior contains frozen water or
of the Interior contains frozen water or
ice<00:05:52.930> so<00:05:53.830> there<00:05:54.040> is<00:05:54.130> a<00:05:54.160> lot<00:05:54.460> of<00:05:54.490> water<00:05:54.820> below<00:05:55.060> the
ice so there is a lot of water below the
ice so there is a lot of water below the
surface<00:05:55.650> the<00:05:56.650> most<00:05:56.950> intriguing<00:05:57.940> and<00:05:58.270> puzzling
surface the most intriguing and puzzling
surface the most intriguing and puzzling
measurement<00:06:00.130> in<00:06:00.370> my<00:06:00.700> opinion<00:06:01.360> we<00:06:01.780> have
measurement in my opinion we have
measurement in my opinion we have
obtained<00:06:02.320> of<00:06:02.620> Mars<00:06:03.280> was<00:06:04.090> released<00:06:04.840> earlier
obtained of Mars was released earlier
obtained of Mars was released earlier
this<00:06:05.680> year<00:06:05.740> in<00:06:06.340> the
this year in the
this year in the
magazine<00:06:08.080> science<00:06:08.950> and<00:06:09.550> what<00:06:09.760> we're<00:06:09.970> looking
magazine science and what we're looking
magazine science and what we're looking
at<00:06:10.480> is<00:06:11.050> the<00:06:11.830> presence<00:06:12.400> of<00:06:12.610> the<00:06:12.790> gas<00:06:12.970> methane
at is the presence of the gas methane
at is the presence of the gas methane
ch4<00:06:14.310> in<00:06:15.310> the<00:06:16.240> atmosphere<00:06:16.780> of<00:06:16.810> Mars<00:06:16.930> and<00:06:17.620> you
ch4 in the atmosphere of Mars and you
ch4 in the atmosphere of Mars and you
can<00:06:18.430> see<00:06:18.670> there<00:06:18.940> are<00:06:19.060> three<00:06:19.360> distinct<00:06:19.960> regions
can see there are three distinct regions
can see there are three distinct regions
of<00:06:20.530> methane<00:06:20.820> why<00:06:21.820> is<00:06:21.880> methane<00:06:22.300> important
of methane why is methane important
of methane why is methane important
because<00:06:23.620> on<00:06:24.160> earth<00:06:24.190> almost<00:06:25.030> all<00:06:25.890> 99.9%<00:06:26.890> of<00:06:27.700> the
because on earth almost all 99.9% of the
because on earth almost all 99.9% of the
methane<00:06:28.210> is<00:06:28.660> produced<00:06:29.290> by<00:06:29.590> living<00:06:29.980> systems
methane is produced by living systems
methane is produced by living systems
not<00:06:31.900> little<00:06:32.260> green<00:06:32.530> men<00:06:32.830> but<00:06:33.790> microscopic
not little green men but microscopic
not little green men but microscopic
lights<00:06:35.020> below<00:06:35.890> the<00:06:36.070> surface<00:06:36.340> or<00:06:36.730> at<00:06:36.880> the
lights below the surface or at the
lights below the surface or at the
surface<00:06:37.480> we<00:06:38.020> now<00:06:38.320> have<00:06:38.680> evidence<00:06:39.000> that
surface we now have evidence that
surface we now have evidence that
methane<00:06:40.600> is<00:06:41.200> in<00:06:41.560> the<00:06:41.650> atmosphere<00:06:41.800> of<00:06:42.310> Mars<00:06:42.340> a
methane is in the atmosphere of Mars a
methane is in the atmosphere of Mars a
gas<00:06:43.570> that<00:06:43.900> on<00:06:44.050> earth<00:06:44.230> is<00:06:44.650> biogenic<00:06:45.550> in<00:06:45.670> our
gas that on earth is biogenic in our
gas that on earth is biogenic in our
produced<00:06:46.759> by<00:06:46.879> living<00:06:47.330> systems<00:06:47.840> these<00:06:48.770> are<00:06:48.830> the
produced by living systems these are the
produced by living systems these are the
three<00:06:49.430> plumes<00:06:49.819> a<00:06:50.330> b<00:06:51.080> 1<00:06:51.379> b<00:06:51.680> 2<00:06:52.219> and<00:06:52.819> this<00:06:53.509> is<00:06:53.719> the
three plumes a b 1 b 2 and this is the
three plumes a b 1 b 2 and this is the
terrain<00:06:54.169> it<00:06:54.650> appears<00:06:55.189> over<00:06:55.639> and<00:06:55.969> we<00:06:56.659> know<00:06:56.900> from
terrain it appears over and we know from
terrain it appears over and we know from
geological<00:06:58.159> studies<00:06:58.610> that<00:06:58.909> these<00:06:59.180> regions
geological studies that these regions
geological studies that these regions
are<00:07:00.110> the<00:07:00.199> oldest<00:07:01.069> regions<00:07:01.639> on<00:07:01.939> Mars<00:07:01.969> in<00:07:02.629> fact
are the oldest regions on Mars in fact
are the oldest regions on Mars in fact
the<00:07:03.860> Earth<00:07:04.069> and<00:07:04.400> Mars<00:07:04.759> of<00:07:05.150> both<00:07:05.300> 4.6<00:07:06.259> billion
the Earth and Mars of both 4.6 billion
the Earth and Mars of both 4.6 billion
years<00:07:06.979> old<00:07:07.279> the<00:07:08.080> oldest<00:07:09.080> rock<00:07:09.349> on<00:07:09.590> earth<00:07:09.770> is
years old the oldest rock on earth is
years old the oldest rock on earth is
only<00:07:10.599> 3.6<00:07:11.599> billion<00:07:11.960> the<00:07:12.680> reason<00:07:13.099> there<00:07:13.279> is<00:07:13.400> a
only 3.6 billion the reason there is a
only 3.6 billion the reason there is a
billion-year<00:07:14.029> history
billion-year history
billion-year history
logical<00:07:16.370> understanding<00:07:16.669> is<00:07:17.539> because<00:07:18.050> of
logical understanding is because of
logical understanding is because of
plate<00:07:18.500> tectonics<00:07:19.279> the<00:07:19.400> the<00:07:20.029> crust<00:07:20.360> of<00:07:20.599> the
plate tectonics the the crust of the
plate tectonics the the crust of the
earth<00:07:20.779> has<00:07:21.379> been<00:07:21.680> recycled<00:07:22.430> we<00:07:22.520> have<00:07:22.669> no
earth has been recycled we have no
earth has been recycled we have no
geological<00:07:23.300> record<00:07:24.110> prior<00:07:24.379> for<00:07:25.039> the<00:07:25.129> first
geological record prior for the first
geological record prior for the first
billion<00:07:25.759> years<00:07:26.060> that<00:07:26.750> record<00:07:27.259> exists<00:07:27.770> on<00:07:27.979> Mars
billion years that record exists on Mars
billion years that record exists on Mars
and<00:07:28.639> this<00:07:29.180> terrain<00:07:29.599> that<00:07:29.870> we're<00:07:30.020> looking<00:07:30.169> at
and this terrain that we're looking at
and this terrain that we're looking at
dates<00:07:31.250> back<00:07:31.610> to<00:07:31.930> 4.6<00:07:32.930> billion<00:07:33.379> years<00:07:33.849> when
dates back to 4.6 billion years when
dates back to 4.6 billion years when
Earth<00:07:35.300> and<00:07:35.569> Mars<00:07:36.169> were<00:07:36.529> formed<00:07:37.009> it<00:07:37.610> was<00:07:37.699> a
Earth and Mars were formed it was a
Earth and Mars were formed it was a
Tuesday
this<00:07:41.479> is<00:07:41.689> this<00:07:42.379> is<00:07:42.589> a<00:07:42.620> map<00:07:42.949> that<00:07:42.979> shows<00:07:43.339> where
this is this is a map that shows where
this is this is a map that shows where
we<00:07:44.360> put<00:07:44.810> our<00:07:45.129> spacecraft<00:07:46.129> on<00:07:46.339> the<00:07:46.370> surface<00:07:46.490> of
we put our spacecraft on the surface of
we put our spacecraft on the surface of
Mars<00:07:47.360> here<00:07:48.050> is<00:07:48.169> Viking<00:07:48.439> one<00:07:48.919> Viking<00:07:49.909> two<00:07:50.240> this
Mars here is Viking one Viking two this
Mars here is Viking one Viking two this
is<00:07:51.189> opportunity<00:07:52.189> this<00:07:52.520> is<00:07:52.580> spirit<00:07:53.180> this<00:07:53.330> is
is opportunity this is spirit this is
is opportunity this is spirit this is
Mars<00:07:53.779> Pathfinder<00:07:54.080> this<00:07:55.009> is<00:07:55.250> Phoenix<00:07:55.520> we<00:07:55.939> just
Mars Pathfinder this is Phoenix we just
Mars Pathfinder this is Phoenix we just
put<00:07:56.389> two<00:07:56.539> years<00:07:56.779> ago<00:07:57.339> notice<00:07:58.339> all<00:07:58.580> of<00:07:58.639> our
put two years ago notice all of our
put two years ago notice all of our
Rovers<00:07:59.479> on<00:08:00.229> all<00:08:00.409> of<00:08:00.500> our<00:08:00.589> Landers<00:08:01.189> have<00:08:01.550> gone
Rovers on all of our Landers have gone
Rovers on all of our Landers have gone
to<00:08:02.599> the<00:08:02.689> northern<00:08:03.080> hemisphere<00:08:03.310> that's
to the northern hemisphere that's
to the northern hemisphere that's
because<00:08:04.879> the<00:08:05.149> northern<00:08:05.539> hemisphere<00:08:05.719> is<00:08:06.319> the
because the northern hemisphere is the
because the northern hemisphere is the
region<00:08:06.949> of<00:08:07.069> the<00:08:07.610> ancient
region of the ancient
region of the ancient
ocean<00:08:09.649> basin<00:08:10.159> there<00:08:10.610> aren't<00:08:10.939> many<00:08:11.060> craters
ocean basin there aren't many craters
ocean basin there aren't many craters
and<00:08:12.050> that's<00:08:12.770> because<00:08:13.219> the<00:08:13.460> water<00:08:13.669> protected
and that's because the water protected
and that's because the water protected
the<00:08:14.719> the<00:08:15.050> basin<00:08:15.560> from<00:08:15.800> being<00:08:16.129> impacted<00:08:16.789> by
the the basin from being impacted by
the the basin from being impacted by
asteroids<00:08:17.930> of<00:08:18.169> meteorites<00:08:18.770> and<00:08:19.149> but<00:08:20.149> not<00:08:20.330> look
asteroids of meteorites and but not look
asteroids of meteorites and but not look
in<00:08:20.719> the<00:08:20.810> southern<00:08:21.169> hemisphere<00:08:21.830> in<00:08:22.039> the
in the southern hemisphere in the
in the southern hemisphere in the
southern<00:08:22.909> hemisphere<00:08:23.029> their<00:08:23.990> impact<00:08:24.529> craters
southern hemisphere their impact craters
southern hemisphere their impact craters
their<00:08:25.189> uh<00:08:25.219> volcanic<00:08:25.819> craters<00:08:26.240> here<00:08:26.689> is<00:08:26.779> Hellas
their uh volcanic craters here is Hellas
their uh volcanic craters here is Hellas
Basin<00:08:27.469> a<00:08:28.039> very<00:08:28.789> very<00:08:29.120> different<00:08:29.719> place
Basin a very very different place
Basin a very very different place
geologically<00:08:30.879> look<00:08:31.879> where<00:08:32.120> the<00:08:32.300> methane<00:08:32.719> is
geologically look where the methane is
geologically look where the methane is
the<00:08:33.169> methane<00:08:33.560> is<00:08:33.829> in<00:08:34.099> a<00:08:34.190> very<00:08:34.459> rough<00:08:34.969> terrain
the methane is in a very rough terrain
the methane is in a very rough terrain
area
area
area
what<00:08:38.659> is<00:08:38.839> the<00:08:39.019> best<00:08:39.260> way<00:08:39.649> to<00:08:39.680> unravel<00:08:40.640> the
what is the best way to unravel the
what is the best way to unravel the
mysteries<00:08:41.630> of<00:08:41.659> Mars<00:08:42.110> that<00:08:42.409> exists<00:08:43.180> we<00:08:44.180> asked
mysteries of Mars that exists we asked
mysteries of Mars that exists we asked
this<00:08:44.600> question<00:08:45.519> ten<00:08:46.519> years<00:08:46.820> ago<00:08:47.029> we<00:08:47.810> invited
this question ten years ago we invited
this question ten years ago we invited
ten<00:08:49.100> of<00:08:49.250> the<00:08:49.399> top<00:08:49.610> Mars<00:08:50.000> scientists<00:08:50.720> to<00:08:51.140> the
ten of the top Mars scientists to the
ten of the top Mars scientists to the
Langley<00:08:51.589> Research<00:08:52.010> Center<00:08:52.490> for<00:08:53.209> two<00:08:53.420> days<00:08:53.690> we
Langley Research Center for two days we
Langley Research Center for two days we
addressed<00:08:55.069> on<00:08:55.459> the<00:08:55.819> board<00:08:56.420> the<00:08:56.750> major
addressed on the board the major
addressed on the board the major
questions<00:08:57.950> that<00:08:58.100> have<00:08:58.370> not<00:08:58.550> been<00:08:58.610> answered
questions that have not been answered
questions that have not been answered
and<00:08:59.510> we<00:09:00.500> spend<00:09:00.860> two<00:09:01.100> days<00:09:01.339> deciding<00:09:02.269> how<00:09:02.750> to
and we spend two days deciding how to
and we spend two days deciding how to
best<00:09:03.350> answer<00:09:03.980> this<00:09:04.160> question<00:09:04.820> and<00:09:05.350> the<00:09:06.350> result
best answer this question and the result
best answer this question and the result
of<00:09:07.550> our<00:09:07.670> meeting<00:09:08.149> was<00:09:09.140> a<00:09:09.500> robotic
of our meeting was a robotic
of our meeting was a robotic
rocket-powered<00:09:11.779> airplane<00:09:12.560> we<00:09:13.220> call<00:09:13.519> Ares
rocket-powered airplane we call Ares
rocket-powered airplane we call Ares
it's<00:09:15.140> Ariel<00:09:15.980> regional<00:09:16.459> scale<00:09:16.790> environmental
it's Ariel regional scale environmental
it's Ariel regional scale environmental
surveyor<00:09:18.440> there's<00:09:19.190> a<00:09:19.310> model<00:09:19.700> of<00:09:19.970> Ares<00:09:20.329> here
surveyor there's a model of Ares here
surveyor there's a model of Ares here
this<00:09:21.140> is<00:09:21.320> a<00:09:21.350> 20%<00:09:22.250> scale<00:09:22.700> model<00:09:23.209> this<00:09:23.870> airplane
this is a 20% scale model this airplane
this is a 20% scale model this airplane
was<00:09:25.339> designed<00:09:25.370> at<00:09:26.240> the<00:09:26.360> Langley<00:09:26.720> Research
was designed at the Langley Research
was designed at the Langley Research
Center<00:09:27.649> if<00:09:27.860> any<00:09:28.279> place<00:09:28.730> in<00:09:29.000> the<00:09:29.089> world<00:09:29.120> can
Center if any place in the world can
Center if any place in the world can
build<00:09:29.839> an<00:09:29.990> airplane<00:09:30.320> to<00:09:30.740> fly<00:09:30.769> on<00:09:31.220> Mars<00:09:31.820> it's
build an airplane to fly on Mars it's
build an airplane to fly on Mars it's
the<00:09:32.300> Langley<00:09:32.630> Research<00:09:32.660> Center<00:09:33.500> for<00:09:34.310> almost<00:09:34.820> a
the Langley Research Center for almost a
the Langley Research Center for almost a
hundred<00:09:35.060> years<00:09:35.269> a<00:09:35.570> leading<00:09:36.019> center<00:09:36.380> of
hundred years a leading center of
hundred years a leading center of
Aeronautics<00:09:37.100> in<00:09:37.370> the<00:09:37.459> world<00:09:37.899> we<00:09:38.899> fly<00:09:39.410> about<00:09:39.589> a
Aeronautics in the world we fly about a
Aeronautics in the world we fly about a
mile<00:09:40.070> above<00:09:40.399> the<00:09:40.459> surface<00:09:40.820> we<00:09:41.360> cover<00:09:41.660> hundreds
mile above the surface we cover hundreds
mile above the surface we cover hundreds
of<00:09:42.320> miles<00:09:42.579> and<00:09:43.579> we<00:09:43.820> fly<00:09:44.060> about<00:09:44.300> 450<00:09:45.170> miles<00:09:45.380> an
of miles and we fly about 450 miles an
of miles and we fly about 450 miles an
hour<00:09:45.860> we<00:09:46.790> can<00:09:47.060> do<00:09:47.269> things<00:09:47.630> that<00:09:48.170> Rovers<00:09:49.010> can't
hour we can do things that Rovers can't
hour we can do things that Rovers can't
do<00:09:49.700> and<00:09:49.970> Landers<00:09:50.690> can't<00:09:51.050> do<00:09:51.260> we<00:09:51.800> can<00:09:52.040> fly<00:09:52.339> above
do and Landers can't do we can fly above
do and Landers can't do we can fly above
mountains<00:09:53.240> volcanoes<00:09:53.510> impact<00:09:54.470> craters<00:09:54.860> we
mountains volcanoes impact craters we
mountains volcanoes impact craters we
fly<00:09:55.250> over<00:09:55.279> valleys<00:09:56.089> we<00:09:56.810> can<00:09:57.079> fly<00:09:57.350> over<00:09:57.529> surface
fly over valleys we can fly over surface
fly over valleys we can fly over surface
magnetism<00:09:58.850> the<00:09:59.300> polar<00:09:59.570> cap<00:09:59.899> subsurface<00:10:00.560> water
magnetism the polar cap subsurface water
magnetism the polar cap subsurface water
and<00:10:01.550> we<00:10:01.730> can<00:10:01.910> search<00:10:02.149> for<00:10:02.480> life<00:10:02.690> on<00:10:02.959> Mars<00:10:03.230> but
and we can search for life on Mars but
and we can search for life on Mars but
of<00:10:04.160> equal<00:10:04.730> importance<00:10:05.390> as<00:10:05.660> we<00:10:06.620> fly<00:10:06.920> through
of equal importance as we fly through
of equal importance as we fly through
the<00:10:07.399> atmosphere<00:10:07.430> of<00:10:08.120> Mars<00:10:08.230> we<00:10:09.230> transmit<00:10:10.190> that
the atmosphere of Mars we transmit that
the atmosphere of Mars we transmit that
journey<00:10:10.820> the<00:10:11.000> first<00:10:11.449> flight<00:10:11.870> of<00:10:12.079> an<00:10:12.170> airplane
journey the first flight of an airplane
journey the first flight of an airplane
outside<00:10:13.100> of<00:10:13.699> the<00:10:13.820> earth<00:10:14.000> we<00:10:14.540> transmit<00:10:15.199> those
outside of the earth we transmit those
outside of the earth we transmit those
images<00:10:15.860> back<00:10:15.920> to<00:10:16.160> earth<00:10:16.430> and<00:10:17.350> our<00:10:18.350> goal<00:10:18.769> is<00:10:19.130> to
images back to earth and our goal is to
images back to earth and our goal is to
inspire<00:10:19.699> the<00:10:20.360> American<00:10:20.930> public<00:10:21.410> who's<00:10:21.980> paying
inspire the American public who's paying
inspire the American public who's paying
for<00:10:22.459> this<00:10:22.820> mission<00:10:23.089> through<00:10:23.480> tax<00:10:23.779> dollars<00:10:24.290> but
for this mission through tax dollars but
for this mission through tax dollars but
more<00:10:25.399> important<00:10:26.029> we<00:10:26.720> will<00:10:27.130> inspire<00:10:28.130> the<00:10:28.430> next
more important we will inspire the next
more important we will inspire the next
generation<00:10:28.730> of<00:10:29.390> scientists<00:10:30.399> technologists
generation of scientists technologists
generation of scientists technologists
engineer<00:10:32.240> and<00:10:32.390> mathematician<00:10:32.510> and<00:10:33.410> that's<00:10:34.070> a
engineer and mathematician and that's a
engineer and mathematician and that's a
critical<00:10:34.880> area<00:10:35.480> of<00:10:35.690> national<00:10:36.410> security<00:10:37.040> and
critical area of national security and
critical area of national security and
economic<00:10:38.140> vitality<00:10:39.140> to<00:10:39.920> make<00:10:40.130> sure<00:10:40.540> we
economic vitality to make sure we
economic vitality to make sure we
produce<00:10:41.959> the<00:10:42.170> next<00:10:42.350> generation<00:10:43.100> of
produce the next generation of
produce the next generation of
scientists<00:10:44.540> engineers<00:10:44.720> mathematicians<00:10:45.260> and
scientists engineers mathematicians and
scientists engineers mathematicians and
technologists<00:10:47.110> this<00:10:48.110> is<00:10:48.320> what<00:10:48.500> Ares<00:10:48.829> looks
technologists this is what Ares looks
technologists this is what Ares looks
like<00:10:49.399> as<00:10:49.699> it<00:10:49.910> flies<00:10:50.149> over<00:10:50.720> Mars<00:10:50.990> we
like as it flies over Mars we
like as it flies over Mars we
pre-program<00:10:52.550> it<00:10:52.790> we<00:10:53.300> will<00:10:53.510> fly<00:10:53.899> where<00:10:54.410> the
pre-program it we will fly where the
pre-program it we will fly where the
methane<00:10:55.010> is<00:10:55.310> we<00:10:55.880> will<00:10:56.029> have<00:10:56.209> instruments
methane is we will have instruments
methane is we will have instruments
aboard<00:10:57.019> the<00:10:57.440> plane<00:10:57.620> that<00:10:58.399> will<00:10:58.760> sample<00:10:59.180> every
aboard the plane that will sample every
aboard the plane that will sample every
three<00:10:59.959> minutes<00:11:00.110> the<00:11:00.649> atmosphere<00:11:01.250> of<00:11:01.399> Mars<00:11:01.430> we
three minutes the atmosphere of Mars we
three minutes the atmosphere of Mars we
will<00:11:02.660> look<00:11:02.839> for<00:11:03.110> methane<00:11:03.500> as<00:11:03.740> well<00:11:04.130> as<00:11:04.370> other
will look for methane as well as other
will look for methane as well as other
gases<00:11:05.390> produced<00:11:05.930> by<00:11:06.170> living<00:11:06.350> systems<00:11:07.490> we<00:11:07.639> will
gases produced by living systems we will
gases produced by living systems we will
pinpoint<00:11:08.540> where<00:11:09.319> these<00:11:09.559> gases<00:11:10.129> emanate<00:11:10.610> from
pinpoint where these gases emanate from
pinpoint where these gases emanate from
because<00:11:11.389> we<00:11:11.600> can<00:11:11.749> measure<00:11:11.959> the<00:11:12.259> gradient
because we can measure the gradient
because we can measure the gradient
where<00:11:13.189> it<00:11:13.339> comes<00:11:13.639> from<00:11:13.759> and<00:11:14.209> there<00:11:15.050> we<00:11:15.769> can
where it comes from and there we can
where it comes from and there we can
direct<00:11:16.699> the<00:11:17.059> next<00:11:17.209> mission<00:11:17.899> to<00:11:18.259> land<00:11:18.559> right<00:11:19.249> in
direct the next mission to land right in
direct the next mission to land right in
that<00:11:19.639> area<00:11:19.699> how<00:11:20.509> do<00:11:20.569> we<00:11:20.869> transport<00:11:21.319> an
that area how do we transport an
that area how do we transport an
airplane<00:11:22.100> to<00:11:22.309> Mars<00:11:22.579> in<00:11:23.230> two<00:11:24.230> words<00:11:24.470> very
airplane to Mars in two words very
airplane to Mars in two words very
carefully
carefully
carefully
the<00:11:27.290> problem<00:11:27.889> is<00:11:28.129> we<00:11:28.610> don't<00:11:28.759> fly<00:11:29.119> it<00:11:29.179> to<00:11:29.480> Mars
the problem is we don't fly it to Mars
the problem is we don't fly it to Mars
we<00:11:31.249> put<00:11:31.519> it<00:11:31.639> in<00:11:31.759> a<00:11:31.879> spacecraft<00:11:32.179> and<00:11:32.990> we<00:11:33.649> send<00:11:33.980> it
we put it in a spacecraft and we send it
we put it in a spacecraft and we send it
to<00:11:34.160> Mars<00:11:34.490> the<00:11:35.209> problem<00:11:35.779> is<00:11:36.019> the<00:11:36.709> spacecraft
to Mars the problem is the spacecraft
to Mars the problem is the spacecraft
largest<00:11:38.389> diameter<00:11:38.809> is<00:11:39.319> 9<00:11:40.009> feet<00:11:40.660> Ares<00:11:41.660> is<00:11:41.959> 21
largest diameter is 9 feet Ares is 21
largest diameter is 9 feet Ares is 21
feet<00:11:42.949> wings<00:11:43.309> with<00:11:43.999> 21<00:11:44.509> foot<00:11:44.720> wingspan<00:11:45.230> 17<00:11:45.829> feet
feet wings with 21 foot wingspan 17 feet
feet wings with 21 foot wingspan 17 feet
long<00:11:46.100> how<00:11:46.999> do<00:11:47.059> we<00:11:47.240> get<00:11:47.389> it<00:11:47.509> to<00:11:47.540> Mars<00:11:47.869> we<00:11:48.740> fold<00:11:49.129> it
long how do we get it to Mars we fold it
long how do we get it to Mars we fold it
and<00:11:49.699> we<00:11:50.179> transport<00:11:50.559> it<00:11:51.559> in<00:11:51.920> a<00:11:52.100> spacecraft<00:11:52.910> and
and we transport it in a spacecraft and
and we transport it in a spacecraft and
we<00:11:54.230> have<00:11:54.769> it<00:11:54.980> in<00:11:55.069> something<00:11:55.490> called<00:11:55.639> an
we have it in something called an
we have it in something called an
aeroshell<00:11:56.259> this<00:11:57.259> is<00:11:57.499> how<00:11:57.679> we<00:11:57.740> do<00:11:58.100> it<00:11:58.129> and<00:11:58.550> we
aeroshell this is how we do it and we
aeroshell this is how we do it and we
have<00:11:58.999> a<00:11:59.209> little<00:11:59.509> video<00:11:59.779> that<00:12:00.459> subscribes<00:12:01.720> rain
have a little video that subscribes rain
have a little video that subscribes rain
board<00:12:02.990> 5<00:12:03.679> 4<00:12:04.399> 3<00:12:05.269> 2
this<00:12:20.340> is
[Applause]
this<00:12:29.230> is<00:12:29.440> the<00:12:29.529> spacecraft<00:12:30.279> taking<00:12:30.819> nine
this is the spacecraft taking nine
this is the spacecraft taking nine
months<00:12:31.449> to<00:12:31.600> get<00:12:31.720> to<00:12:31.779> Mars
months to get to Mars
months to get to Mars
it<00:12:33.519> enters<00:12:33.880> the<00:12:34.509> atmosphere<00:12:34.660> of<00:12:35.230> Mars<00:12:35.259> a<00:12:35.920> lot
it enters the atmosphere of Mars a lot
it enters the atmosphere of Mars a lot
of<00:12:36.730> feeding
frictional<00:12:41.740> eating<00:12:42.160> it's<00:12:42.310> the<00:12:42.460> babies
frictional eating it's the babies
frictional eating it's the babies
applause<00:12:43.450> our<00:12:43.870> parish<00:12:44.529> it<00:12:44.740> opens<00:12:45.100> up<00:12:45.310> to<00:12:45.550> slow
applause our parish it opens up to slow
applause our parish it opens up to slow
it<00:12:46.120> down
it down
it down
the<00:12:47.920> thermal<00:12:48.760> tiles<00:12:49.060> fall<00:12:49.600> off<00:12:49.960> the<00:12:50.200> airplane
the thermal tiles fall off the airplane
the thermal tiles fall off the airplane
is<00:12:50.890> exposed<00:12:51.460> for<00:12:51.730> the<00:12:51.820> atmosphere<00:12:51.970> for<00:12:52.480> the
is exposed for the atmosphere for the
is exposed for the atmosphere for the
first<00:12:52.810> time<00:12:53.140> it<00:12:53.830> unfolds
we<00:13:05.560> believe<00:13:05.950> that<00:13:06.280> in<00:13:06.730> a<00:13:06.850> one-hour<00:13:07.090> flight<00:13:07.500> we
we believe that in a one-hour flight we
we believe that in a one-hour flight we
can<00:13:08.710> rewrite<00:13:09.160> the<00:13:10.030> textbook<00:13:10.600> on<00:13:10.930> Mars<00:13:11.200> by
can rewrite the textbook on Mars by
can rewrite the textbook on Mars by
making<00:13:12.160> high-resolution<00:13:12.970> measurements<00:13:13.090> of
making high-resolution measurements of
making high-resolution measurements of
the<00:13:13.750> atmosphere<00:13:14.100> looking<00:13:15.100> for<00:13:15.280> guests<00:13:15.610> as<00:13:15.700> a
the atmosphere looking for guests as a
the atmosphere looking for guests as a
biogenic<00:13:16.390> origin<00:13:16.930> looking<00:13:17.620> for<00:13:18.090> gases<00:13:19.090> of
biogenic origin looking for gases of
biogenic origin looking for gases of
volcanic<00:13:19.570> origin<00:13:19.920> studying<00:13:20.920> the<00:13:21.010> surface
volcanic origin studying the surface
volcanic origin studying the surface
studying<00:13:22.360> the<00:13:22.690> magnetism<00:13:23.410> on<00:13:23.860> the<00:13:24.040> surface
studying the magnetism on the surface
studying the magnetism on the surface
which<00:13:24.640> we<00:13:24.790> don't<00:13:25.000> understand<00:13:25.540> as<00:13:26.080> well<00:13:26.380> as
which we don't understand as well as
which we don't understand as well as
about<00:13:26.710> a<00:13:26.770> dozen<00:13:27.190> other<00:13:27.540> areas<00:13:28.620> practice<00:13:29.620> makes
about a dozen other areas practice makes
about a dozen other areas practice makes
perfect<00:13:30.700> how<00:13:31.060> do<00:13:31.120> we<00:13:31.360> know<00:13:31.510> we<00:13:31.660> can<00:13:31.810> do<00:13:31.960> it
perfect how do we know we can do it
perfect how do we know we can do it
because<00:13:32.920> we<00:13:33.580> have<00:13:33.850> tested<00:13:34.810> Ares<00:13:35.410> model
because we have tested Ares model
because we have tested Ares model
several<00:13:36.850> models<00:13:37.240> and<00:13:37.780> a<00:13:37.930> half<00:13:38.140> a<00:13:38.260> dozen<00:13:38.410> wind
several models and a half a dozen wind
several models and a half a dozen wind
tunnels<00:13:39.130> at<00:13:39.280> the<00:13:39.400> NASA<00:13:39.580> Langley<00:13:39.820> Research
tunnels at the NASA Langley Research
tunnels at the NASA Langley Research
Center<00:13:40.810> for<00:13:41.350> eight<00:13:41.500> years<00:13:41.760> under<00:13:42.760> Mars
Center for eight years under Mars
Center for eight years under Mars
conditions<00:13:44.110> and<00:13:44.500> of<00:13:45.430> equal<00:13:45.700> importance<00:13:46.300> is<00:13:46.600> we
conditions and of equal importance is we
conditions and of equal importance is we
test<00:13:47.770> Ares<00:13:48.520> in<00:13:48.790> the<00:13:48.970> Earth's<00:13:49.150> atmosphere<00:13:50.140> at<00:13:50.920> a
test Ares in the Earth's atmosphere at a
test Ares in the Earth's atmosphere at a
hundred<00:13:51.550> thousand<00:13:52.090> feet<00:13:52.330> which<00:13:53.080> is
hundred thousand feet which is
hundred thousand feet which is
comparable<00:13:54.040> to<00:13:54.450> the<00:13:55.450> density<00:13:55.930> and<00:13:56.110> pressure
comparable to the density and pressure
comparable to the density and pressure
of<00:13:56.830> the<00:13:56.890> atmosphere<00:13:57.070> on<00:13:57.790> Mars<00:13:57.970> where<00:13:58.330> we'll
of the atmosphere on Mars where we'll
of the atmosphere on Mars where we'll
fly<00:13:58.810> now<00:13:59.500> a<00:13:59.530> hundred<00:13:59.980> thousand<00:14:00.460> feet<00:14:00.670> if<00:14:00.850> you
fly now a hundred thousand feet if you
fly now a hundred thousand feet if you
fly<00:14:01.300> cross-country<00:14:01.630> to<00:14:02.230> Los<00:14:02.410> Angeles<00:14:02.440> you<00:14:03.070> fly
fly cross-country to Los Angeles you fly
fly cross-country to Los Angeles you fly
37,000<00:14:04.480> feet<00:14:04.540> we<00:14:05.380> do<00:14:05.650> our<00:14:05.830> tests<00:14:06.250> at<00:14:06.430> a<00:14:06.460> hundred
37,000 feet we do our tests at a hundred
37,000 feet we do our tests at a hundred
thousand<00:14:07.330> feet<00:14:07.540> and<00:14:08.080> I<00:14:08.200> want<00:14:08.320> to<00:14:08.470> show<00:14:08.650> you<00:14:08.710> one
thousand feet and I want to show you one
thousand feet and I want to show you one
of<00:14:09.580> our<00:14:09.700> tests<00:14:10.150> this<00:14:10.300> is<00:14:10.360> a<00:14:10.540> half<00:14:10.870> scale<00:14:11.350> model
of our tests this is a half scale model
of our tests this is a half scale model
this<00:14:12.040> is<00:14:12.310> a<00:14:12.340> high-altitude<00:14:13.320> helium<00:14:14.320> balloon
this is a high-altitude helium balloon
this is a high-altitude helium balloon
this<00:14:15.340> is<00:14:15.520> over<00:14:15.820> Tillamook<00:14:16.390> Oregon
this is over Tillamook Oregon
this is over Tillamook Oregon
we<00:14:18.250> put<00:14:18.670> the<00:14:18.850> folded<00:14:19.690> airplane<00:14:20.320> on<00:14:20.680> the
we put the folded airplane on the
we put the folded airplane on the
balloon<00:14:21.220> it<00:14:21.400> took<00:14:21.490> about<00:14:21.610> three<00:14:21.910> hours<00:14:21.940> to<00:14:22.270> to
balloon it took about three hours to to
balloon it took about three hours to to
get<00:14:22.990> up<00:14:23.140> there<00:14:23.440> and<00:14:23.650> then<00:14:24.250> we<00:14:24.430> release<00:14:24.730> it<00:14:24.940> on
get up there and then we release it on
get up there and then we release it on
command<00:14:25.360> at<00:14:25.810> one<00:14:26.170> hundred<00:14:26.230> and<00:14:26.440> three
command at one hundred and three
command at one hundred and three
thousand<00:14:27.220> feet<00:14:27.430> and<00:14:27.670> we<00:14:28.510> deploy<00:14:28.930> the<00:14:29.140> airplane
thousand feet and we deploy the airplane
thousand feet and we deploy the airplane
and<00:14:29.980> everything<00:14:30.790> works<00:14:30.970> perfectly<00:14:31.600> and<00:14:31.990> we've
and everything works perfectly and we've
and everything works perfectly and we've
done<00:14:33.280> high<00:14:33.760> altitude<00:14:34.390> and<00:14:34.570> low<00:14:34.810> altitude
done high altitude and low altitude
done high altitude and low altitude
tests<00:14:35.710> just<00:14:36.400> to<00:14:36.580> perfect<00:14:37.150> this<00:14:37.450> technique
tests just to perfect this technique
tests just to perfect this technique
we're<00:14:40.600> ready<00:14:40.780> to<00:14:41.050> go<00:14:41.230> I<00:14:41.560> have<00:14:42.310> a<00:14:42.640> scale<00:14:43.270> model
we're ready to go I have a scale model
we're ready to go I have a scale model
here<00:14:44.260> but<00:14:44.410> we<00:14:45.100> have<00:14:45.370> a<00:14:45.730> full<00:14:46.240> scale<00:14:46.540> model<00:14:46.600> in
here but we have a full scale model in
here but we have a full scale model in
storage<00:14:47.800> at<00:14:47.920> the<00:14:48.040> NASA<00:14:48.220> Langley<00:14:48.520> Research
storage at the NASA Langley Research
storage at the NASA Langley Research
Center<00:14:49.570> we're<00:14:50.200> ready<00:14:50.410> to<00:14:50.620> go<00:14:50.800> all<00:14:51.280> we<00:14:51.490> need<00:14:51.670> is
Center we're ready to go all we need is
Center we're ready to go all we need is
a<00:14:51.850> check<00:14:52.210> from<00:14:52.420> NASA<00:14:52.690> headquarters
a check from NASA headquarters
a check from NASA headquarters
to
to
to
to<00:14:56.170> cover<00:14:56.410> the<00:14:56.770> costs<00:14:57.430> I<00:14:57.550> am<00:14:57.760> prepared<00:14:58.720> to
to cover the costs I am prepared to
to cover the costs I am prepared to
donate<00:14:59.080> my<00:14:59.470> honorarium<00:15:00.040> for<00:15:00.130> today's<00:15:00.610> talk
donate my honorarium for today's talk
donate my honorarium for today's talk
for<00:15:01.330> this<00:15:01.450> mission
for this mission
for this mission
there's<00:15:03.560> actually<00:15:03.890> no<00:15:04.040> one<00:15:04.220> or<00:15:04.340> Orion<00:15:04.670> for
there's actually no one or Orion for
there's actually no one or Orion for
anyone<00:15:05.240> for<00:15:05.450> this<00:15:05.600> thing<00:15:05.840> this<00:15:06.590> is<00:15:06.650> the<00:15:06.890> Aries
anyone for this thing this is the Aries
anyone for this thing this is the Aries
team<00:15:07.930> we<00:15:08.930> have<00:15:09.140> about<00:15:09.440> 150<00:15:10.450> scientists
team we have about 150 scientists
team we have about 150 scientists
engineers<00:15:11.650> we're<00:15:12.650> working<00:15:13.100> with<00:15:13.340> Jet
engineers we're working with Jet
engineers we're working with Jet
Propulsion<00:15:13.670> Laboratory<00:15:14.330> Goddard<00:15:15.230> Space
Propulsion Laboratory Goddard Space
Propulsion Laboratory Goddard Space
Flight<00:15:15.500> Center<00:15:15.800> Ames<00:15:16.430> Research<00:15:16.940> Center<00:15:17.360> and
Flight Center Ames Research Center and
Flight Center Ames Research Center and
half<00:15:17.660> a<00:15:17.810> dozen<00:15:17.990> major<00:15:18.640> universities<00:15:19.640> and
half a dozen major universities and
half a dozen major universities and
corporations<00:15:20.360> and<00:15:20.930> developing<00:15:21.440> this<00:15:21.590> it's<00:15:22.070> a
corporations and developing this it's a
corporations and developing this it's a
large<00:15:22.490> effort<00:15:22.760> it's<00:15:23.240> all<00:15:23.450> all<00:15:24.100> Duvall<00:15:25.100> a<00:15:25.430> lead
large effort it's all all Duvall a lead
large effort it's all all Duvall a lead
at<00:15:26.300> NASA<00:15:26.810> Langley<00:15:27.020> Research<00:15:27.350> Center<00:15:28.160> and<00:15:28.870> let
at NASA Langley Research Center and let
at NASA Langley Research Center and let
me<00:15:29.990> conclude<00:15:30.230> by<00:15:30.530> saying<00:15:31.180> not<00:15:32.180> too<00:15:32.420> far<00:15:32.720> from
me conclude by saying not too far from
me conclude by saying not too far from
here<00:15:33.470> right<00:15:33.860> down<00:15:34.130> the<00:15:34.370> road<00:15:34.550> in<00:15:34.580> Kitty<00:15:35.000> Hawk
here right down the road in Kitty Hawk
here right down the road in Kitty Hawk
North<00:15:35.330> Carolina<00:15:35.600> a<00:15:36.440> little<00:15:37.010> more<00:15:37.160> than<00:15:37.370> a
North Carolina a little more than a
North Carolina a little more than a
hundred<00:15:37.610> years<00:15:37.970> ago<00:15:38.290> history<00:15:39.290> was<00:15:39.560> made<00:15:39.830> when
hundred years ago history was made when
hundred years ago history was made when
we<00:15:40.490> had<00:15:40.670> the<00:15:40.790> first<00:15:41.060> powered<00:15:41.510> flight<00:15:41.540> of<00:15:41.990> an
we had the first powered flight of an
we had the first powered flight of an
airplane<00:15:42.200> on<00:15:42.680> earth<00:15:42.890> we<00:15:43.670> are<00:15:43.700> on<00:15:43.940> the<00:15:44.060> verge
airplane on earth we are on the verge
airplane on earth we are on the verge
right<00:15:44.720> now<00:15:45.320> to<00:15:45.860> make<00:15:46.220> the<00:15:46.400> first<00:15:46.580> flight<00:15:46.850> of<00:15:47.090> an
right now to make the first flight of an
right now to make the first flight of an
airplane<00:15:47.590> outside<00:15:48.590> the<00:15:49.070> Earth's<00:15:49.250> atmosphere
airplane outside the Earth's atmosphere
airplane outside the Earth's atmosphere
we<00:15:50.660> are<00:15:50.720> prepared<00:15:51.410> to<00:15:51.590> fly<00:15:51.740> the<00:15:51.890> Sun<00:15:52.280> Mars
we are prepared to fly the Sun Mars
we are prepared to fly the Sun Mars
rewrite<00:15:53.540> the<00:15:53.780> textbook<00:15:54.200> about<00:15:54.470> Mars<00:15:54.980> if
rewrite the textbook about Mars if
rewrite the textbook about Mars if
you're<00:15:56.150> interested<00:15:56.750> in<00:15:57.110> more<00:15:57.380> information<00:15:58.010> we
you're interested in more information we
you're interested in more information we
have<00:15:58.400> a<00:15:58.430> website<00:15:58.790> that<00:15:59.750> describes<00:16:00.290> this
have a website that describes this
have a website that describes this
exciting<00:16:01.520> and<00:16:01.700> intriguing<00:16:02.000> mission<00:16:02.660> and<00:16:02.840> why
exciting and intriguing mission and why
exciting and intriguing mission and why
we<00:16:03.560> want<00:16:03.770> to<00:16:03.830> do<00:16:03.980> it<00:16:04.160> thank<00:16:04.760> you<00:16:04.820> very<00:16:04.940> much
we want to do it thank you very much
we want to do it thank you very much
[Applause]
Mars NASA Joel Levine, science, space, TED, TEDx, TEDxNASA, TED-Ed, TED, Ed, TEDEduccation