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Global Space Administration,
video diary six.
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We're trying to spend
the rest of our lives in outer space.
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But that's the tricky part.
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Weird but true, the longest
that anybody has ever spent in space
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at one time is still less than a year
and a half.
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But the research happening
at this Mars simulator
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could make it possible for people to live
in space.
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Yeah. Weird but true, one day Martian soil
could be used to grow crops.
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Mm-hmm. And get this,
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fertilizer made from human hair
could be the key to making it work.
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Luckily... (MUNCHES)
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-I'm a crafter. I just need one.
-What... what are you doing? No, Charlie.
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-Need to grow some crops.
-What? No way!
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-Mine's not long enough.
-Nope, too bad.
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(GRUNTS) All right, guys,
it's time for Weird But True!
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Did you know
there are more stars in the sky
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than grains of sand on the whole planet?
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Whoa!
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-This is incredible.
-I know, right?
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CHARLIE: Charlie here.
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-Yay!
-CARLY: Carly here.
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-Yes!
-CHARLIE: We're best friends.
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BOTH: Oh, let's go!
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CARLY:
We live here, in Chicago.
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-CHARLIE: With a little imagination...
-For the rest of time.
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CARLY: And a whole lot of exploring.
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(CHARLIE EXCLAIMS)
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CARLY: This is so epic.
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CHARLIE: We're discovering
just how weird the world can be.
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-Hey!
-We made it.
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CARLY:
This is unreal.
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(THEME MUSIC PLAYING)
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BOTH:
Our Solar System.
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(FILM REEL WHIRRING)
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CARLY: My name is Carly,
and that is my best friend, Charlie.
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Ever since we were old enough to hold
a notebook and a magnifying glass,
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we were out exploring the world.
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As we got older, others joined us, like,
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Charlie's sister, Casey,
and our buddy, Patrick.
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Even our mailman, Bob,
was part of the fun.
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It seemed like we'd be together forever.
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Until today.
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BUSTER INFINITY:
The interplanetary expedition.
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(GASPS) Carly,
you gotta come see this.
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Hey guys, glad you're here.
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-What's up?
-Come on, check this out.
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(WHOOSHING)
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Hello, there. I'm Buster Infinity,
famous astrophysicist.
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Introducing the Interplanetary Expedition.
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A one-way trip to explore the entirety
of our Solar System.
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-Whoa!
-We have to apply.
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Oh, I don't know, Charlie,
it's a one-way ticket.
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Exactly. A lifetime of living in space.
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Researching the wonders of the universe.
It's perfect.
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Come on, just... just hear it out.
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Submit your video application today.
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On behalf of the Global Space
Administration,
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good luck, and I'll see you
in outer space.
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Why stay here and unravel one single world
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when we can go out
and unravel an entire universe?
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Well, Charlie, I don't know that much
about the Solar System,
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so I think we're gonna need to do
a little research.
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All right, guys, I guess that means
today we're unraveling the world of...
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BOTH:
our Solar System.
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Solar, Solar System.
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We're doing our first take
of our application video
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and Charlie's a little nervous.
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No! What are you talking about?
I'm not nervous.
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-Look at me, I'm fine.
-Oh. Yup.
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I got it. I'm ready.
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Okay. Let's suit you up.
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-Okay.
-(WHISPERS) He's nervous.
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-We're rolling?
-CARLY: Mm-hmm.
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Perfect. (CLEARS THROAT)
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Our Solar System is enormous,
but weird but true,
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the entire thing fits inside this.
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It's called the Oort Cloud.
A giant spherical shape,
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floating in space
around nine trillion miles across.
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Let's take a look inside.
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Behold, our Solar System.
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-It consists of...
-CARLY: The Sun.
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And everything that revolves around it.
Including eight planets.
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-CARLY: Venus...
-This one's Mercury...
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-CARLY: Sorry.
-...remember? Mercury.
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-Yeah.
-CARLY: Mercury.
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Venus, Earth, Mars, Jupiter, Saturn,
Uranus,
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-and Neptune.
-CHARLIE: But there's more.
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Our Solar System also includes
all of the moons orbiting these planets.
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And a bunch of asteroids
that are found here in...
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-CARLY: The Asteroid Belt.
-And way out there in...
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-CARLY: The Kuiper Belt.
-All of this stuff
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that revolves around the Sun
creates our Solar System.
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And remember, it's all contained
within this.
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The Oort Cloud.
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This is the perfect intro
for our application video.
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Yeah. All right.
So, what should we film next?
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Uh, I'm trying to remember
what Buster Infinity said.
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A perfect applicant must understand
our relationship with our Solar System.
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In the past, the present, and the future.
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So we need to research how people
have studied...
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-(DOOR KNOCKS)
-...our Solar System in the past.
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-Right.
-Hey, guys.
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You have to see this thing
that Patrick and I just saw
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by the Global Space Administration.
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Wait, you're not making
an application video, are you?
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-We are.
-We're gonna get paid to go to space.
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Me and Carly, living in space
for the rest of time.
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-Yup.
-Yeah.
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-Forever?
-CHARLIE: Yeah.
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It's gonna be amazing.
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Really?
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Yes. Actually, it's good that you're here
because we need you.
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Come with me,
we'll get you some costumes.
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Back to work. Time for some history.
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Scientists who study space are called
astronomers, and throughout history,
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there have been a lot of them.
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Let's begin with Claudius Ptolemy.
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An astronomer from Egypt
around the year 140.
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Behold, this is the universe.
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Earth is at its center and everything else
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travels in big giant circles around Earth.
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CARLY: Weird but true,
that's what people believed until...
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Oh, no, no, no.
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...Copernicus, an astronomer from Poland
around 1514.
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The Sun is at the center of the universe,
and everything else in space
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travels in large circles around the Sun.
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CARLY:
And that's what people believed until...
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Uh, no.
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...this guy. Angelo Secchi.
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An astronomer from Italy
in the mid 1800s.
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Our Sun is not the center of the universe.
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The Sun is the center
of our Solar System,
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one of countless planetary systems
that exist out in space.
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So, after years of research,
we figured out that space
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is full of lots of stars,
tons of planets,
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and a bunch of solar systems like our own.
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Oh! This is perfect.
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Yeah, but you do realize
what this means, right?
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This could be the very last time
the we craft together.
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The very last time we do
any project together.
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Look, Patrick, I know it's a bummer,
but Charlie and I are meant for this.
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This is our destiny.
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Which means it is time for us to examine
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the present state of Solar System
exploration.
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(GASPS) Oh! Ah! (SIGHS)
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I wish we had a lava lamp, you know?
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-CARLY: Uh...
-I got this great idea where we, like,
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-dress up in some costumes and then...
-Mm-hmm.
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...we need some, like, historical props,
though. We'll craft something, right?
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-(DOORBELL RINGS)
-BOB: Mail's here.
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ALL: Bob!
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Got a package for you. One lava lamp.
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Oh! Perfect! This is exactly what we need!
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-Thanks, Bob.
-CHARLIE: All right,
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uh, you four get in some, like,
mission control engineer type costumes,
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-and I'll do the intro. Got it?
-Okay.
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-CHARLIE: All right.
-PATRICK: On it.
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Here's the deal, humans have traveled out
into space plenty of times,
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but honestly, we haven't gone very far.
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Weird but true,
humans have only traveled
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-to about here.
-(SQUEAKY SOUND)
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There's a lot more Solar System
to explore.
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And how do we do that? Using one of these,
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a space probe.
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They're like tiny, little robot
laboratories that NASA launches into space
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with communication systems
that use radio waves to relay
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all of that information back to Earth.
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In the world of space probes,
this one rises above the rest.
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It's called Voyager 1.
And here's its story.
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(RETRO MUSIC PLAYING)
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CHARLIE: In 1977,
NASA launched Voyager 1 into space.
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(BEEPING)
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-Yeah!
-Yes!
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-Groovy.
-Right on, man.
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It traveled further and further
into our Solar System,
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over a million miles a day.
Past Mars, through the asteroid belt.
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(HIP-HOP MUSIC PLAYING)
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And by 1980,
it was flying right by Saturn.
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(BEEPING)
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-Hey, we passed Saturn.
-(ALL CHEERING)
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-Righteous!
-Totally tubular.
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(ALL LAUGHING)
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(BEEPING)
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CHARLIE: Voyager 1 kept going,
past Neptune, and into the Kuiper Belt.
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Then, in 2017, NASA decided to test
its thrusters
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for the first time in 37 years.
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(REVVING UP)
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They work!
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(ALL CHEERING)
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Oh, incredible.
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FEMALE VOICE:
Hey, hey, NASA, you did it.
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Yeah, come on in.
Say it to the camera.
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-Smile.
-Goof... goofy face.
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(CAMERA CLICKING)
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CHARLIE: Voyager 1 has traveled
through space for more than 40 years,
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transmitting data back to Earth.
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No human-made object has flown
further into space.
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And it's still flying out there
to this day.
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This is a great application.
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-You just might get picked.
-That's the plan.
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Now, it's time to research the future
of solar system exploration.
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I have an idea for this one.
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-Ready, Bob?
-Ready.
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(MAGICAL TINKLING)
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Welcome to the magical universe
of Madame Cosmos.
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Wait. I know. You wanna travel into space?
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Well, my dears,
look into Madame Cosmos's crystal ball
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and soon your fortunes will be revealed.
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No human in this lifetime or the next
could visit as far as Voyager 1.
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Science and technology
just isn’t advanced enough,
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but, quick, pick a card.
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Let's see, let's see.
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Red, and... planet?
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(GASPS)
Your future points to Mars.
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Mars is very cold
with average temperatures
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around negative 80 degrees Fahrenheit.
But of the planets closest to Earth,
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it presents the fewest challenges
for a manned space mission.
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You or any other human
is most likely to visit Mars next.
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(CHEERING, APPLAUSE)
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Mm! Casey, great job.
This looks excellent.
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Ooh, but what is this?
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-Another vision from the future.
-Charlie and Carly,
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you will continue your research
at an official Martian training habitat
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in Hawaii.
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-Wait, what?
-CASEY: Yeah.
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It's this thing that Bob,
Pat, and I found.
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It's called the HI-SEAS Mars Habitat
in Hawaii.
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NASA conducts research there to see
what it would be like
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to live on another planet.
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-This is perfect.
-This is exactly
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what our application needs.
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Pack your bags. You've gotta get going.
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All right, guys. Looks like Carly
and I are heading off to Hawaii
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to see what it's like to live on Mars.
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We'll meet you there?
Perfect. We'll see you soon.
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-All right. See you, guys.
-CASEY: Bye, guys.
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(UPBEAT MUSIC PLAYING)
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00:11:09,311 --> 00:11:11,313
CHARLIE:
We're off to the Big Island of Hawaii,
239
00:11:11,413 --> 00:11:13,382
out in the middle of the Pacific Ocean.
240
00:11:14,549 --> 00:11:18,754
Weird but true, this one island is made up
of five volcanoes.
241
00:11:18,887 --> 00:11:22,324
Two of them, Kīlauea and Mauna Loa,
are still active.
242
00:11:23,659 --> 00:11:25,927
(MUSIC PLAYING)
243
00:11:32,901 --> 00:11:35,337
-Aloha.
-Welcome to Mauna Loa.
244
00:11:36,104 --> 00:11:39,775
This is the location for the HI-SEAS
Mars simulator.
245
00:11:39,975 --> 00:11:42,778
It is a habitat that researchers use
to study
246
00:11:42,878 --> 00:11:44,780
what it would be like to live on Mars.
247
00:11:44,846 --> 00:11:47,816
And the reason why it's here
is because this place looks like
248
00:11:47,883 --> 00:11:49,451
-the surface of Mars.
-(CHUCKLES)
249
00:11:49,518 --> 00:11:51,720
CHARLIE:
But there are few key differences.
250
00:11:51,820 --> 00:11:56,325
Like first off, the air on Mars
is mostly made up of carbon dioxide.
251
00:11:56,825 --> 00:12:00,495
So, if we were hanging around there,
we'd probably be wearing oxygen masks.
252
00:12:00,595 --> 00:12:03,632
CARLY: Yeah, not only that, you'd have
to wear a suit to cover your whole body.
253
00:12:03,699 --> 00:12:07,536
Earth has a magnetic field that protects
us from the Sun's harmful radiation,
254
00:12:07,602 --> 00:12:08,837
but Mars doesn't have that.
255
00:12:08,904 --> 00:12:11,273
We're gonna go inside the simulator
and talk to Michaela.
256
00:12:11,340 --> 00:12:12,641
Let's go.
257
00:12:16,411 --> 00:12:19,748
Dr. Michaela Musilova is the director
of this habitat
258
00:12:19,848 --> 00:12:23,985
and an astrobiologist who focuses
on life in extreme environments.
259
00:12:24,753 --> 00:12:28,056
Her favorite weird but true fact is,
the Sun is so big
260
00:12:28,123 --> 00:12:31,193
that one million Earths could fit
inside of it.
261
00:12:37,366 --> 00:12:39,534
-Whoa.
-What? (CHUCKLES)
262
00:12:39,701 --> 00:12:41,837
-This is so cool.
-It's like a little a clubhouse.
263
00:12:41,937 --> 00:12:43,805
It looks huge in here.
264
00:12:44,072 --> 00:12:45,607
-Aloha, as we say in Hawaii.
-Aloha.
265
00:12:45,674 --> 00:12:48,643
-Aloha.
-MICHAELA: This is the HI-SEAS Habitat
266
00:12:48,831 --> 00:12:51,313
where we simulate missions
to the moon and Mars.
267
00:12:51,380 --> 00:12:53,248
-(CARLY EXHALES)
-MICHAELA: Uh, people get locked up here
268
00:12:53,315 --> 00:12:56,451
for up to a year. You can only go outside
in a spacesuit.
269
00:12:56,518 --> 00:12:59,721
You eat freeze-dried food and all that fun
stuff astronauts have to do,
270
00:12:59,821 --> 00:13:02,457
so you'll get to experience
that over the next couple of days.
271
00:13:02,524 --> 00:13:04,226
-Nice.
-Well, how many people
272
00:13:04,292 --> 00:13:05,994
-can live here at once?
-MICHAELA: Up to six people.
273
00:13:06,061 --> 00:13:07,362
-Can we take a look around?
-Yeah.
274
00:13:07,429 --> 00:13:10,532
Yeah, sure. Well... So, this main room
is like a multi-functional room.
275
00:13:11,066 --> 00:13:13,935
This area here is essentially used
for exercising.
276
00:13:14,002 --> 00:13:15,837
You have your work stations right here,
277
00:13:15,971 --> 00:13:18,507
and here we have a kitchen.
Pretty big, actually.
278
00:13:18,573 --> 00:13:20,142
What are these little doors...
279
00:13:20,209 --> 00:13:21,915
-CARLY: Oh, yeah. It's a closet.
-CHARLIE: ...up top? Yeah.
280
00:13:22,015 --> 00:13:24,045
MICHAELA: Well, it's kinda like a closet,
but it's your bedroom.
281
00:13:24,746 --> 00:13:27,182
Each crew member gets their own
little room.
282
00:13:27,549 --> 00:13:29,151
-They're all the same.
-CHARLIE: Oh, nice.
283
00:13:29,217 --> 00:13:31,305
-CARLY: Oh, it's cozy.
-MICHAELA: It's pretty decent.
284
00:13:31,386 --> 00:13:34,284
CHARLIE: It looks small from the outside,
but you got a little desk,
285
00:13:34,409 --> 00:13:37,726
you got a nice place to sleep.
Put some photos on the wall over here.
286
00:13:37,793 --> 00:13:39,394
Usually people bring pictures
of their family,
287
00:13:39,461 --> 00:13:40,862
friends that they're gonna miss.
288
00:13:40,929 --> 00:13:43,865
All right. So we got a place to research,
cook our dinners,
289
00:13:44,032 --> 00:13:46,568
-bathrooms. Where do you go to bathroom?
-Show us the bathroom.
290
00:13:47,532 --> 00:13:49,604
This is the tallest toilet I've ever seen.
291
00:13:49,671 --> 00:13:52,741
The reason it's so tall
is because it's a composting toilet.
292
00:13:52,841 --> 00:13:54,843
-Okay.
-So, once you do your business,
293
00:13:54,910 --> 00:13:57,245
there are microbes in there
that help process
294
00:13:57,546 --> 00:14:00,482
what you've just added to there,
and then behind you, Charlie,
295
00:14:00,549 --> 00:14:02,451
-there is the shower.
-CARLY: Regular shower.
296
00:14:02,517 --> 00:14:05,587
You're only allowed to take up to
eight minutes a week of shower time.
297
00:14:05,654 --> 00:14:06,621
-A week?
-A week.
298
00:14:06,688 --> 00:14:08,156
-(MICHAELA CHUCKLES)
-CARLY: Whoa.
299
00:14:09,591 --> 00:14:11,726
CARLY:
Michaela leaves us to get settled in.
300
00:14:12,261 --> 00:14:13,862
-Is it on?
-All right. All right.
301
00:14:13,929 --> 00:14:17,065
Video diary, take one.
We've been here for three hours.
302
00:14:17,132 --> 00:14:18,667
-Uh-huh. Right.
-We've chosen our rooms.
303
00:14:18,733 --> 00:14:20,169
-Yup. There's a treadmill.
-Yeah.
304
00:14:20,235 --> 00:14:22,316
There's a little window
so we can see the outside world.
305
00:14:22,423 --> 00:14:24,339
-Yeah. This is easy-peasy.
-Yeah.
306
00:14:24,406 --> 00:14:26,308
I think we're gonna be
really, really good at this.
307
00:14:30,979 --> 00:14:32,781
-(STATIC SOUND)
-Hi. Hello.
308
00:14:33,048 --> 00:14:35,846
-Welcome back. We are five hours in.
-Yup.
309
00:14:35,993 --> 00:14:37,953
And Michaela has a mission for us.
310
00:14:38,086 --> 00:14:41,156
We are gonna suit up and head outside
to collect some rocks
311
00:14:41,223 --> 00:14:42,724
and then bring them back to study them.
312
00:14:42,791 --> 00:14:44,359
-Let's go. Let's rock.
-Okay.
313
00:14:45,293 --> 00:14:47,696
CHARLIE: We're pretending to be on Mars,
so we need to put on
314
00:14:47,762 --> 00:14:51,600
lots of gear before we do anything
outside the habitat.
315
00:14:51,666 --> 00:14:53,368
(DRAMATIC MUSIC PLAYING)
316
00:14:56,104 --> 00:14:58,540
CARLY:
We're simulating a real Mars mission...
317
00:15:00,008 --> 00:15:02,344
to collect rocks and soil samples.
318
00:15:03,512 --> 00:15:05,614
MICHAELA:
So this way. Now watch your step.
319
00:15:06,147 --> 00:15:07,148
CARLY: Let's go.
320
00:15:08,917 --> 00:15:10,252
(INSECTS CHIRPING)
321
00:15:10,318 --> 00:15:12,387
MICHAELA: This is very crumbly,
so be really careful.
322
00:15:12,654 --> 00:15:14,155
(DRAMATIC MUSIC PLAYING)
323
00:15:16,925 --> 00:15:18,226
MICHAELA:
Uh, the ceiling gets low here
324
00:15:18,293 --> 00:15:20,028
and you have all these lava stalactites.
325
00:15:20,495 --> 00:15:22,264
CARLY:
Oh, whoa. This is incredible.
326
00:15:25,901 --> 00:15:28,103
MICHAELA: Here we are.
I found some thenardite.
327
00:15:29,371 --> 00:15:31,172
Some of the NASA scientists
I work with
328
00:15:31,306 --> 00:15:34,109
even call it space snow.
We should take a sample of it.
329
00:15:34,309 --> 00:15:35,777
(DRAMATIC MUSIC PLAYING)
330
00:15:38,280 --> 00:15:40,248
-CHARLIE: Oh, it scrapes really easily.
-MICHAELA: Yeah.
331
00:15:40,315 --> 00:15:42,317
-CARLY: Oh, it does.
-MICHAELA: That's why they call it snow.
332
00:15:43,885 --> 00:15:45,287
CHARLIE:
So the reason why we're harvesting it,
333
00:15:45,387 --> 00:15:47,789
because there's a chance
it could be made by microbes.
334
00:15:47,856 --> 00:15:50,625
This is the exact same type of experiment
that they do
335
00:15:50,692 --> 00:15:52,761
to see if there's life on Mars.
336
00:15:52,827 --> 00:15:56,464
It's fun to be out conducting science
and we wish we could explore some more.
337
00:15:56,831 --> 00:16:00,001
CARLY: Yeah, but there's a limit
on how long we can be outside the habitat.
338
00:16:00,068 --> 00:16:02,504
So Michaela says it's time to head back.
339
00:16:05,040 --> 00:16:07,208
All right. We just got back
from our hike.
340
00:16:07,275 --> 00:16:08,710
-Mm-hmm. Yeah.
-It was pretty good.
341
00:16:08,777 --> 00:16:10,612
-We got some space rocks.
-Mm-hmm.
342
00:16:10,679 --> 00:16:11,780
We heard from Mission Control
343
00:16:11,880 --> 00:16:14,516
and it turns out that we cannot leave
the habitat,
344
00:16:14,616 --> 00:16:17,085
-uh, for the rest of the night.
-Yeah. So we'll be hanging out
345
00:16:17,185 --> 00:16:18,954
-and doing some missions here, I guess.
-Yeah.
346
00:16:19,154 --> 00:16:21,590
-Ten hours in.
-Still on Mars.
347
00:16:22,324 --> 00:16:24,793
-Mars is easy.
-Mars is fun.
348
00:16:24,893 --> 00:16:25,827
CHARLIE: We're killing it.
349
00:16:27,562 --> 00:16:31,600
All right. We're 14 hours in,
and we're doing flight simulation test.
350
00:16:32,467 --> 00:16:34,669
-Time to cook.
-Okay. These are our ingredients.
351
00:16:34,736 --> 00:16:36,438
-This is a bucket of salmon.
-Whoa.
352
00:16:36,504 --> 00:16:38,139
-Okay. Look at this.
-CARLY: What?
353
00:16:38,239 --> 00:16:40,141
CHARLIE:
This is a piece of salmon.
354
00:16:40,241 --> 00:16:44,412
They have to prepare food a very specific
way before sending it to space.
355
00:16:44,546 --> 00:16:46,948
So let's look into that
a bit more closely.
356
00:16:47,361 --> 00:16:49,951
-Charlie, what are you doing?
-We do craft and we like explain the food,
357
00:16:50,018 --> 00:16:51,587
-everybody learns something, yeah.
-I know.
358
00:16:51,653 --> 00:16:53,188
But Charlie, we don't have
any crafting supplies here.
359
00:16:53,254 --> 00:16:55,323
-We... we can't make anything.
-I'll call Bob.
360
00:16:55,390 --> 00:16:58,360
-We'll send... He'll send...
-Charlie, Bob can't come to Mars.
361
00:16:58,426 --> 00:17:01,596
(GRUNTS, EXHALES)
What are we gonna do?
362
00:17:01,663 --> 00:17:04,232
There are no crafts in space. (GRUNTS)
363
00:17:04,299 --> 00:17:05,361
-It's called freeze drying.
-Yeah.
364
00:17:05,486 --> 00:17:07,469
They freeze it to ice
and they, like, pull out the ice
365
00:17:07,569 --> 00:17:09,270
and you get salmon,
that's how it works.
366
00:17:09,337 --> 00:17:10,259
-That is true, so...
-Yeah. Okay.
367
00:17:10,359 --> 00:17:11,473
-...that works.
-Let's... let's cook it.
368
00:17:11,540 --> 00:17:15,076
-(MUSIC PLAYING)
-(CUTLERY CLINKING)
369
00:17:16,177 --> 00:17:18,113
CARLY: It's a balanced meal.
We got veggies,
370
00:17:18,179 --> 00:17:22,684
we got protein, we got fiber.
We're the best Martian chefs ever.
371
00:17:23,284 --> 00:17:24,452
-CHARLIE: Pasta.
-CARLY: Sauce.
372
00:17:24,519 --> 00:17:25,687
CHARLIE: Sauce.
373
00:17:26,287 --> 00:17:28,123
-CHARLIE: Salmon.
-CARLY: Salmon.
374
00:17:28,189 --> 00:17:29,124
-Cheers.
-Ah.
375
00:17:29,190 --> 00:17:31,593
-What are you gonna try first?
-I'm gonna mix it all together.
376
00:17:35,296 --> 00:17:36,731
(BOTH CHUCKLING)
377
00:17:36,865 --> 00:17:39,601
Could you imagine eating this
for the rest of our lives?
378
00:17:39,968 --> 00:17:43,004
-(SLURPS, EXHALES)
-Mm.
379
00:17:43,071 --> 00:17:45,173
-I miss Casey's food right now.
-I don't like the salmon.
380
00:17:47,108 --> 00:17:49,144
I'm not gonna eat it ever.
381
00:17:49,210 --> 00:17:51,312
-Let's just go to bed.
-Get some sleep.
382
00:17:51,379 --> 00:17:52,580
-CHARLIE: Yes.
-CARLY: Yeah.
383
00:17:57,452 --> 00:17:59,554
-Good night, Charlie.
-Good night, Carly.
384
00:17:59,621 --> 00:18:03,958
It is the end of our first day here
at the HI-SEAS Mars Habitat.
385
00:18:04,025 --> 00:18:06,695
I'm still pretty hungry because dinner
didn't really work out.
386
00:18:06,761 --> 00:18:10,198
-This is hard stuff.
-Definitely wasn't what I expected.
387
00:18:10,265 --> 00:18:14,869
It's hard to be, um, away from the stuff
and the people that I love.
388
00:18:15,236 --> 00:18:17,238
Um, we're getting a lot of good footage.
389
00:18:17,305 --> 00:18:19,307
Okay, now get up
and do three jumping jacks.
390
00:18:20,275 --> 00:18:22,811
-One... (GRUNTS)
-(CARLY LAUGHS)
391
00:18:22,944 --> 00:18:25,313
I feel like things will be better
in the morning after I get some sleep.
392
00:18:25,380 --> 00:18:27,348
-Okay. Good night.
-We'll see you in the morning.
393
00:18:28,183 --> 00:18:29,217
(STATIC SOUND)
394
00:18:29,818 --> 00:18:31,319
(PLEASANT MUSIC PLAYING)
395
00:18:32,387 --> 00:18:33,922
And, uh, cool.
396
00:18:35,090 --> 00:18:36,024
Good morning.
397
00:18:36,257 --> 00:18:37,625
-We ran out of power.
-Uh-huh.
398
00:18:37,992 --> 00:18:40,895
CHARLIE: We weren't paying attention
to how much energy we were using.
399
00:18:41,170 --> 00:18:42,664
-Right?
-CARLY: We used it all up.
400
00:18:42,731 --> 00:18:46,000
Yeah. Here's the problem though,
it's overcast so the Sun's
401
00:18:46,101 --> 00:18:50,572
not out right now, so it'll be a while
before we get more power.
402
00:18:50,672 --> 00:18:52,474
CARLY:
So, we can't make breakfast.
403
00:18:52,574 --> 00:18:54,843
-It's getting very cold.
-It's... it's very, very cold.
404
00:18:54,943 --> 00:18:57,145
Yeah. Rough start to the day,
but we're gonna turn around.
405
00:18:57,212 --> 00:18:59,481
-That's right. Nothing we can't handle.
-Yeah.
406
00:19:00,582 --> 00:19:03,551
CARLY: Out in space,
the Sun is your main power source.
407
00:19:03,685 --> 00:19:08,123
So, collecting and managing solar power
using batteries is critical to survival.
408
00:19:08,690 --> 00:19:11,025
-We're back and the power's on.
-Yeah.
409
00:19:11,092 --> 00:19:14,562
Michaela wants us to use my hair
410
00:19:14,896 --> 00:19:18,399
to make fertilizer so we can grow food.
411
00:19:18,500 --> 00:19:20,034
-It's cool.
-Yeah.
412
00:19:20,135 --> 00:19:21,870
But also, like, what?
413
00:19:22,203 --> 00:19:23,805
(MUSIC PLAYING)
414
00:19:24,639 --> 00:19:28,877
We're in the lab and we are gonna
be cutting a piece of my hair
415
00:19:28,977 --> 00:19:30,578
to make fertilizer.
416
00:19:30,645 --> 00:19:33,214
The main idea behind that is
when humans
417
00:19:33,281 --> 00:19:36,151
go on long duration missions,
your hair is gonna grow.
418
00:19:36,217 --> 00:19:37,886
Why don't we use it
for something useful?
419
00:19:37,952 --> 00:19:41,055
There's actually nutrients in hair,
like nitrogen and sulfur,
420
00:19:41,489 --> 00:19:44,726
-that we could use to help plants grow.
-BOTH: Wow.
421
00:19:44,793 --> 00:19:47,162
Now, it's time to sacrifice
some hair for science.
422
00:19:47,262 --> 00:19:48,596
Ah. Perfect.
423
00:19:50,498 --> 00:19:52,100
-Ready?
-Yeah.
424
00:19:53,468 --> 00:19:54,602
(CARLY SCREAMS)
425
00:19:54,669 --> 00:19:56,037
-Whoa!
-Hold on tight.
426
00:19:56,137 --> 00:19:57,105
Let me see it.
427
00:19:57,172 --> 00:19:59,674
-Whoa!
-Oh (LAUGHS)
428
00:19:59,774 --> 00:20:02,110
MICHAELA:
Put it into that glass bottle there.
429
00:20:02,844 --> 00:20:07,015
CARLY: Next, we add potassium hydroxide
and some water to dissolve my hair.
430
00:20:07,949 --> 00:20:11,486
In a few hours,
it will turn into this nice brown liquid,
431
00:20:11,553 --> 00:20:13,955
and that's when we'll want
to measure the pH
432
00:20:14,022 --> 00:20:16,624
and see if it's not too alkali,
so we may need to add
433
00:20:16,724 --> 00:20:19,627
some citric acid to kind of lower the pH
a little bit.
434
00:20:19,694 --> 00:20:23,064
And when it'll be ready,
we can actually use it to add to soil.
435
00:20:23,498 --> 00:20:25,500
Cool science tool, pH strip.
436
00:20:25,633 --> 00:20:29,671
It's what a scientist uses to figure out
how acidic or basic something is.
437
00:20:31,005 --> 00:20:32,674
So, a couple hours have passed
438
00:20:32,807 --> 00:20:34,676
and it's turned into, like,
a bunch of brown goop.
439
00:20:34,742 --> 00:20:35,844
-Used to be my hair.
-(CHUCKLES)
440
00:20:36,678 --> 00:20:37,979
CHARLIE:
What does it smell like?
441
00:20:38,046 --> 00:20:39,848
-Oh, no. Whoa!
-(LAUGHS)
442
00:20:39,914 --> 00:20:41,583
-What... It smells like something...
-Like a... a...
443
00:20:41,649 --> 00:20:43,384
-a basement.
-Like an old carpet?
444
00:20:43,484 --> 00:20:44,586
-Yes. Yes.
-Yeah.
445
00:20:45,920 --> 00:20:50,258
We are preparing our dirt
so that we can plant some seeds.
446
00:20:50,358 --> 00:20:52,694
CHARLIE: You do as much research
as you can here on Earth,
447
00:20:52,760 --> 00:20:55,730
but once you go to Mars,
you're doing it for the first time.
448
00:20:56,431 --> 00:20:58,399
That's a little scary to me,
I have to be honest.
449
00:20:58,466 --> 00:21:00,201
CHARLIE:
And this is the place to make mistakes.
450
00:21:00,268 --> 00:21:01,569
-Better here than on Mars.
-Exactly. Exactly.
451
00:21:01,669 --> 00:21:03,504
So you can try to find a solution,
you know.
452
00:21:03,571 --> 00:21:06,507
Now, we have spinach growing,
thanks to your hair.
453
00:21:06,641 --> 00:21:08,209
So thank you so much
for your contribution.
454
00:21:08,743 --> 00:21:11,012
-Uh. It's going all right.
-It's going okay.
455
00:21:11,079 --> 00:21:15,450
We just kind of got a little bit curious
about what Casey and Patrick are up to
456
00:21:15,583 --> 00:21:17,585
and it's kind of weird
that we can't ask them.
457
00:21:17,652 --> 00:21:19,754
It's a little trickier
than we thought to do stuff.
458
00:21:19,888 --> 00:21:23,892
Yeah. It's not bad.
It's just not what I expected.
459
00:21:24,158 --> 00:21:25,560
(MUSIC PLAYING)
460
00:21:26,728 --> 00:21:30,098
All right, guys. Well, mission's over.
How was your time on Mars?
461
00:21:30,198 --> 00:21:34,302
The people that go into space
are so brave and so strong.
462
00:21:34,435 --> 00:21:37,639
The longer we were here, the more
we missed basically everything from home.
463
00:21:37,705 --> 00:21:39,309
Yeah, and it helps you appreciate
everything
464
00:21:39,384 --> 00:21:40,642
back on Earth just a little bit more.
465
00:21:40,708 --> 00:21:41,910
Thank so much, Michaela.
466
00:21:41,976 --> 00:21:43,545
-We had an absolutely great time.
-CARLY: Thank you.
467
00:21:43,645 --> 00:21:45,447
Oh, you're very welcome.
You did a great job, guys.
468
00:21:45,547 --> 00:21:47,115
-Have a safe journey back to Earth.
-CHARLIE: Thanks.
469
00:21:47,582 --> 00:21:49,717
-Carly, I think I've got an idea.
-Yeah?
470
00:21:49,817 --> 00:21:53,421
We should call Casey, Patrick, and Bob,
tell them to meet us back at HQ, right?
471
00:21:53,521 --> 00:21:55,423
-Okay.
-You, too, we'll meet you there.
472
00:21:55,490 --> 00:21:57,058
All right? See you soon.
473
00:21:59,627 --> 00:22:01,296
-CASEY: Hey, guys.
-Oh, hey.
474
00:22:01,362 --> 00:22:02,630
-CHARLIE: Hey.
-What's going on?
475
00:22:02,697 --> 00:22:04,832
-I just finished editing our video.
476
00:22:04,899 --> 00:22:06,267
-CASEY: All right.
-Let's see it.
477
00:22:06,334 --> 00:22:09,037
The video that will send you guys
into space.
478
00:22:09,337 --> 00:22:10,371
CARLY: Hmm.
479
00:22:11,706 --> 00:22:15,043
This whole time, we've been doing
a lot of research on our Solar System,
480
00:22:15,176 --> 00:22:18,313
but there's one place that we realized
we kind of overlooked.
481
00:22:18,646 --> 00:22:20,214
-Earth.
-CARLY: The Earth sits
482
00:22:20,281 --> 00:22:23,451
right between Venus and Mars
in a section of our Solar System
483
00:22:23,584 --> 00:22:26,254
that astronomers call the Goldilocks Zone.
484
00:22:26,379 --> 00:22:30,817
It's called that because it's the perfect
distance from the Sun to support life.
485
00:22:31,893 --> 00:22:33,594
If Earth was closer to the Sun,
486
00:22:33,695 --> 00:22:36,831
it would get too hot and all of its water
would evaporate.
487
00:22:37,298 --> 00:22:40,168
If it were further from the Sun,
it would be too cold
488
00:22:40,435 --> 00:22:42,704
and the water would be locked in ice.
489
00:22:43,972 --> 00:22:47,608
That's what makes the Earth
and the Goldilocks Zone so special.
490
00:22:47,675 --> 00:22:50,278
CHARLIE: There's an endless amount
of information to unravel
491
00:22:50,378 --> 00:22:52,080
right here on our own planet.
492
00:22:52,146 --> 00:22:55,183
But the real reason
it's our favorite place to be is,
493
00:22:55,350 --> 00:23:00,154
weird but true, Earth is the only planet
that has our best friends.
494
00:23:00,455 --> 00:23:04,692
Casey, Patrick, Bob, and you.
495
00:23:04,759 --> 00:23:08,162
We can't imagine a better place
in this entire universe
496
00:23:08,229 --> 00:23:11,966
than a planet where we can share
everything we learn with you.
497
00:23:13,167 --> 00:23:14,168
(SIGHS)
498
00:23:14,369 --> 00:23:15,570
You're staying?
499
00:23:16,671 --> 00:23:18,239
-Yeah.
-We're staying.
500
00:23:18,306 --> 00:23:20,908
-(CHEERING)
-They're staying!
501
00:23:20,975 --> 00:23:22,744
The super team is sticking together.
502
00:23:22,810 --> 00:23:24,012
-Yes.
-Yup.
503
00:23:24,078 --> 00:23:26,647
I had a vision
this would happen all along.
504
00:23:26,748 --> 00:23:27,749
ALL: Oh!
505
00:23:28,182 --> 00:23:32,020
CARLY: That was a pretty close call,
but now it looks like we're here to stay.
506
00:23:32,286 --> 00:23:34,722
Crafting together, researching together,
507
00:23:35,189 --> 00:23:38,359
and discovering more things
that are weird, but true.
508
00:23:38,659 --> 00:23:39,894
We'll see you next time.
509
00:23:40,895 --> 00:23:43,364
(THEME MUSIC PLAYS)
510
00:23:45,400 --> 00:23:49,670
The Global Space Administration
has selected the following applicants
511
00:23:49,871 --> 00:23:52,974
to be launched deep into our Solar System
512
00:23:53,074 --> 00:23:56,811
as part of the Interplanetary Expedition.
513
00:23:57,311 --> 00:24:00,948
Alabama Cones. Dr. Bill.
514
00:24:01,549 --> 00:24:05,253
And a bajillionaire, Chet Megabit.
515
00:24:05,953 --> 00:24:08,456
Thank you, and good luck.
516
00:24:08,740 --> 00:24:10,641
(MUSIC PLAYING)