[together] Ready! Jet! Go!
- ♪ Jet Propulsion ♪
♪ That's his name ♪
♪ Jet Propulsion ♪
♪ He'll rocket to fame ♪
♪ When he arrived, he created a buzz ♪
♪ 'Cause there was no house ♪
♪ And then there was, he said ♪
- ♪ People of Earth! You ain't seen nothing yet! ♪
♪ I'm from Bortron , and my name is Jet! ♪
- ♪ Jet Propulsion ♪
♪ That's his name ♪
♪ He looks like us ♪
♪ But he isn't the same ♪
- ♪ I'm a space tripper and a galaxy crosser ♪
♪ My parents brought me here in a flying saucer ♪
- ♪ And just to prove it was a fact ♪
♪ He flew them out to space and back ♪
♪ Jet Propulsion ♪
[spaceship whirring]
- ♪ Jet Propulsion ♪
[together] Ready! Jet! Go!
- ♪ He showed up, and now it's a blast ♪
♪ Looks like the future really got here fast ♪
- ♪ Nice to meet you, human race ♪
♪ Tell me all about the place ♪
- Jet Propulsion!
- Jet Propulsion!
- Jet Propulsion!
all: Ready! Jet! Go!
[triumphant fanfare]
♪ ♪
- That's one small step for man
and one giant leap for mankind.
[chimes tinkling]
[all cheering]
- Yeah! - Wow!
- See? That's what my hero Neil Armstrong said
when he stepped onto the Moon on July th, .
- Ah, right.
Neil Armstrong was the first human on your moon! Cool!
- I hope I grow up in time to be an astronaut for our
"return to the Moon" program.
Then I can be the first one back--
to step on the Moon!
- But Sean, you wouldn't be the actual first one
to step on the Moon then, would you?
- Nope, Neil was the actual first.
- Right. You'd be the... th.
- Oh. Wow, the th?
That's not so good.
I want to be the first at something.
- No problem. There are so many moons!
Earthies have only walked on Earth's moon.
They haven't walked on any of the others!
- Jet, are you thinking what I think you're thinking?
- That I'd love a piece of pie right now?
Oh! You mean the other thing I'm thinking.
Why not take Sean out to a moon that's new for Earthies?
- You mean, I could be the first one
off the saucer to walk on it?
- Sure! Sydney and I would wait and let you go first.
Then you'd be like your miniature Neil Strongarm guy!
- Neil Armstrong.
Really? I love that idea!
- Jet's right--I'd be happy to run you out, kids!
There are plenty of moons to choose from. Oof!
- Yes! For our job as intergalactic travel writers,
we've visited tons of moons in this solar system.
- Which do you think would be a good moon for me to walk on?
- Oh! Oh!
I know the best moon for Sean. - Oh! So do I!
Are you thinking of that frozen little moon,
off the gas giant in the outer planets?
- Exactly-- ice on the outside,
a warmer liquid ocean on the inside?
- Yes-- really fascinating because
the warm ocean underneath may support life?
- Right! You mean...
Jupiter's moon, Europa! - Saturn's moon, Enceladus!
- No, not Saturn's moon, Jupiter's.
- Hon, I'm talking about Enceladus, not Europa.
- Sweetie, you've got the wrong moon.
- No, you do.
Enceladus is the best one.
- Well, that depends on how you define "best."
- Uh, heh-heh.
Maybe they're both best?
- Well, Enceladus is the best to me,
because it's the first moon in this solar system
that I filed a travel report on.
- Well, that's funny, because I remember filing
one of my finest reports on Europa.
- Carrot, darling, I'm just gonna say it--
Sunspot?
[lively music]
♪ Oh, there are oodles of moons out there ♪
♪ And most of them are nice ♪
♪ Some are covered in volcanoes ♪
♪ And some are made of ice ♪
♪ Some moons are big as Mercury ♪
♪ Some are barely consequential ♪
♪ But there's a moon I love the most ♪
♪ To me it's just essential ♪
♪ Enceladus ♪
♪ Oh, it's a must ♪
♪ Those other moons ♪
♪ They're just a bust ♪
♪ Superior in every way ♪
♪ To every other moon I say ♪
♪ I'll take Enceladus ♪
- ♪ Well, I've been from here to Betelgeuse ♪
♪ And around this solar system ♪
♪ And if there are better moons out there ♪
♪ I guess I must have missed 'em ♪
♪ Cause I know a moon that beats 'em all ♪
♪ Look through your telescope-a ♪
♪ You'll see the shiniest, iciest moon ♪
♪ It's Jupiter's Europa ♪
- ♪ Nope-a, not Europa ♪
♪ Enceladus is best ♪
- ♪ En-smell-adus? ♪
- ♪ Enceladus ♪
- ♪ No, Europa wins the test ♪
- ♪ Enceladus! ♪ - ♪ Europa! ♪
- ♪ Enceladus! ♪ - ♪ Europa! ♪
- Uh, Mom and Dad?
Heh-heh.
As much as I appreciate a good argument in song,
I have an idea! both: Yes, Jet?
- How about we fly Sean out to both of those moons?
And then he can be the first human
to step on each one.
Then Sean can decide which moon is better!
- Wow--what a great plan, Mr. and Mrs. Propulsion!
- Wait, what am I agreeing to? - It's perfect.
You get to be the first human to step on two moons
instead of one!
- Hmm. Okay.
I normally don't go for that much space travel,
but to be the first human on two moons?
Totally worth it!
- So what do you say, Mom and Dad?
- Let's fly our little saucer to the moon.
Of Saturn.
- Don't you mean Jupiter, dear?
'Cause that's where Europa is.
- Oh, we can swing by Jupiter.
It's on the way.
Into the wagon, everybody!
♪ ♪
- Uh-oh.
I'm not supposed to go past Jet's yard.
- Here, Mindy-- take my wrist phone.
You can watch from Earth when we visit the moons!
- [gasps]
Yay! I love talking in your phone thingy, Jet.
Bye!
Call me! Or wait, I'll call you!
all: Bye, Mindy!
- You nervous, Sean?
- [laughs]
Not really-- I can't wait to go
down in history as a famous space explorer!
- Me neither-- I can't wait to prove
that I'm right about my favorite moon, Europa.
That is where we're going first, right, hon--
- ♪ ! ! --! ♪
♪ Doors are shut! Engines on! ♪
♪ Everybody in their place? ♪
♪ Let's go into outer space! ♪
all: Ready, Jet, go!
[tires screeching]
[engine whirring]
[spaceship whooshing]
[wondrous music]
- Well! Here we are--
Jupiter's ice moon, Europa!
- Cool!
Let's put 'er down, Mom!
- Well, Astronaut Sean? You ready?
- I--I guess so. Wow, I can't believe it.
I'm actually gonna be the first human
to walk on a moon of Jupiter.
- Oh--this is so exciting!
[engine whirring]
♪ ♪
Whoo-hoo! We're here! Excelsi--
Oh! Right. Where are my manners?
Heh! Sean, you're supposed to go first.
- Remember, Sean, breathe.
- [breathes deeply]
♪ ♪
Yes! I'm the first human on this frozen ice moon!
That's one small step for Sean,
one giant leap for Sean-kind!
Whoa! Hoo! Oof!
[whimsical music]
[Sunspot whooshing]
♪ ♪
[all laughing]
- Wow, Sean!
Europa looks beautiful!
I bet it would be hard to find a better moon!
- I totally agree, Mindy!
Europa is a pretty special little moon.
♪ If there are better moons out there ♪
♪ I guess I must have missed 'em ♪
♪ Europa is the nicest moon ♪
♪ In this whole solar system ♪
♪ Europa! Europa! ♪
Whoa! Whoa! Whoopa!
- Easy there, Fred Astaire.
- Whup--oof! Ow. Heh-heh.
- No wonder you like this moon, Dad.
It's so white and beautiful.
And get a load of that amazing view
of Jupiter filling the sky!
- Eh, you hear that, hon?
Someone else who appreciates Europa.
- Well, my favorite frozen ice moon
has everything that Europa has, but is even better!
- [laughing] R-really? I doubt it.
Europa is best.
- Ahem. Enceladus is best.
- Ha-ha! Uh, well, they're all just moons, right?
- Right! I'm sure that each moon has its good points.
- How 'bout we just go out and visit Enceladus,
so we can see for ourselves? - Really, Sean?
- You're actually willing to fly another billion miles
farther out to Saturn?
- Wow. You're right. What's going on?
I'm actually suggesting we fly farther away from home?
This is amazing.
- But when you think of it,
how many kids can be the first humans
to step onto two frozen ice moons in one day?
- In one day?
You sure that's not too much?
It's gonna be hard to top Europa...
- [chuckles] Let's do this!
Excelsior!
I said...
all: Excelsior!
[wondrous music]
[engines whooshing]
- Well, here we are-- Saturn's ice moon, Enceladus!
all: Ooh!
- Hmm... sorry, hon,
but it looks like, well, any old ice moon.
- [laughs]
Well, you might want to buckle up, Toots.
I'm gonna take 'er down.
both: Aah!
- Whoa!
You know what?
I already got to be the first human on Europa.
This time, I think Sydney should go first.
- Really, Sean? Thanks!
- Wow, what a nice guy.
- That's one small step for Sydney,
one giant leap for girls everywhere!
[all cheering]
[footsteps boinging]
[funky music]
♪ ♪
- All right, Celery.
This is nice, but...
what makes your ice moon better than mine?
- Well, not only does Enceladus have a view of Saturn,
the most beautiful of all the planets--
- Well, yeah, but it's not like it has any unusual features...
[geysers rumble]
all: Whoa!
- It also comes with ice geysers!
[all cheering]
- Okay, it does have unusual features.
- Yeah!
- Wow! Is it snowing?
- Yup! It is, Mindy!
- Okay, I vote for Enceladus,
because I love moons that have snow falling on 'em!
- Me too!
- Yeah!
- You know what, hon?
I've been to a lot of frozen moons,
but a moon that comes with its own snowfall?
I think you're right. Enceladus is the best.
- Oh, hey, why even argue about it?
They're both absolutely lovely, hon.
- Oh, we're not arguing.
- Oh, yes, we are. - No, we're not. Oh--
I mean, it's not as lovely as you, my sweet.
- Aww. Carrot...
both: ♪ Oh, there are oodles of moons out there ♪
♪ And most of them are nice ♪
♪ Some are covered in volcanoes ♪
♪ And some are made of ice ♪
♪ But we know two that pass the test ♪
♪ Look through your telescope-a ♪
♪ You'll find the moons we love the best ♪
♪ Enceladus and Europa ♪
- Whoa!
[laughing and cheering]
♪ ♪
- Everybody loves having birthdays,
but have you ever wondered why you can only have a birthday
once a year?
Hi, I'm astronomer Amy Mainzer.
The reason we only have birthdays once a year
is because that's how long it takes for the Earth
to go around the Sun.
♪ ♪
We call the motion of a planet around its sun its orbit.
The length of a planet's year
is determined by how fast it goes around the Sun,
and that depends on how close it is to the Sun.
Planets that are close to the Sun
take less time to go around
than planets that are really far away.
For example--
it only takes Mercury days to go around the Sun.
That's because Mercury's a lot closer to the Sun
than the Earth is.
If you were on Mercury, you'd have a birthday
every three months.
But if I were on Neptune, it takes Earth years
just to complete one orbit around the Sun.
That's because Neptune is so incredibly far away.
That means that even the oldest person on Earth
is not even one Neptune year old.
The Earth is traveling around the Sun
incredibly fast in its orbit.
It's going , miles an hour.
And at that incredible speed,
it takes the Earth months, or about days,
to go around the Sun one time.
And one day, if you go to live on Mars,
its orbit is almost twice as long as Earth's,
so you would only have half as many birthdays on Mars.
So the next time you need a reason to have a party,
just tell everybody you're celebrating
your Mercury birthday,
and you need to have a party every three months.
[jazzy lounge music]
♪ ♪
- What you doing, Mitchell? - Aah!
What makes you think I'm doing something?
- Well, you're walking around and around your house
looking down.
- Maybe I just like staring at the ground?
- Maybe, but you're also wearing your detective badge.
- Oh, yeah, it's made out of tinfoil.
It's nice, huh?
- Yep, it's really shiny. - Thanks.
Well, if you must know, I'm working on a case.
- I know. And so am I!
- Oh, really? What case are you working on?
- The case of "what Mitchell's doing!"
And I solved it! [giggles]
- Yes, very funny.
I happen to have an important mystery to solve--
the case of the missing sunglasses.
- Got it. I'll help you.
- Help me? Oh, I didn't ask--
- You're welcome.
- Okay, as long as you don't get in the way.
- And I'm going to need a badge.
- All right, Junior Detective Mindy,
let's get started investigating.
- I'm ready!
What do we know so far?
- Here are the facts-- yesterday...
my mother put her sunglasses on the kitchen counter...
And then the next time she went to find them,
they weren't there.
In fact, they weren't anywhere.
- Very suspicious.
- What are you writing in there? - I don't know.
I'm still learning to read. Continue.
- So we looked everywhere and couldn't find them.
My dad said the kitchen counter is like a "black hole."
- What's a "black hole"?
- A hole that's black!
And there might be a lot of people's sunglasses in it?
- So you don't really know, huh?
- Not really, but if I can find the sunglasses,
I'm sure I'll figure out the black hole thing.
- There seems to be more than one mystery here.
We started out with the missing sunglasses,
and now there's a black hole?
[Mindy whistles]
[upbeat rock music]
- Sunspot! I don't remember you wearing those sunglasses before.
- Me, neither.
- May I examine them, please?
As an official detective, that is.
[ding]
[Sunspot sounds in agreement]
I wonder if these match my picture
of the missing sunglasses.
- Is it a match?
- Nope. He can have those back.
- Thanks, Sunspot.
Let us know if you find any more sunglasses, okay?
[Sunspot sounds agreement]
- More sunglasses?
[Sunspot vocalizing]
I will never understand Jet's dog... or is he a cat?
[metal clanking]
- This is such a great idea.
I don't know why I never thought about building
an ice cream machine at home before.
- Maybe because you don't like ice cream?
- Ha, yes, that's true... but I do like machines!
- Guys! Guess what?
I'm a detective just like Mitchell.
Oh, and Sunspot's a detective too, I think.
But he doesn't have a badge.
Now he does.
And I already have a case!
- Really? Already? - Oh, yes.
Mitchell is looking for his mom's sunglasses.
- And you're helping him?
- Sort of.
His dad says the kitchen counter
is like a black hole,
where things disappear.
So Mitchell is looking for the sunglasses,
and I need to find a black hole!
- A black hole, huh?
- Oh, boy! A black hole.
Now, that's major!
- I know. So cool!
Where are we going to find a black hole?
- Hmm.
Ah, maybe here in the yard? Want to borrow a shovel?
[metal clangs]
Or we could look for a black hole in the trash can.
[reverberating] It's pretty dark in there.
[laughing maniacally]
- Guys, I know where we can find a black hole--
they're in outer space!
- Sean, that doesn't make any sense.
How are we gonna find it if it's black and it's a hole?
Outer space is black too!
- Yeah. How are we going to find a hole in outer space
if we can't even find one here in the yard?
- Guys, a black hole isn't like a regular hole.
It's a super gravity hole made from exploding stars.
- Whoa.
- Oh. You know a lot about black holes.
- Yeah, it's kind of a hobby.
I can explain more about black holes
with some newspaper--
it's the way my mom taught me about 'em.
Let's go.
- Great idea, Sean.
And while we're at it,
maybe your mom can show me
how to build an ice cream machine!
- One project at a time, Jet.
- Ah-ha! Do you see that, Cody?
- [sniffing]
[barks]
- It's a hole. It's black.
It's a black hole!
Now all we've got to do is look inside.
The sunglasses could be there.
Wow, it's deep.
Wait, I think I feel something.
Wait, these aren't sunglasses.
Wait again.
You've got dirt all over your paws.
Did you dig this hole, Cody?
- [barks]
- Aw, Cody.
You're not the best assistant, but your fur is really soft.
- So when a star explodes, it becomes a hole in space
that sucks stuff into it.
Like a vacuum.
- How does it do that?
- And how did it get there?
- And how does my hair look today?
[Sunspot grumbles]
Oh. Not the right time?
- Good questions.
Or, two of them are.
How black holes work has a lot to do with gravity.
Stars collapse and become black holes--
and the gravity inside of a black hole is so strong,
nothing can get out of it.
It can squish a star down to a tiny area.
One single black hole could fit tons of stars into it,
but really smushed-up stars.
- Wow, Sean. That's so cool.
How did you learn all this?
- My mom taught me about 'em.
And she said black holes are really far away.
Nowhere near our solar system.
- Heh. Well, that's good.
- So if we can't see a black hole,
and there's not one anywhere near Earth,
how did Mitchell's mom's sunglasses get into one?
all: Hmm...
- Maybe we'd better talk to Mitchell.
- Ahem.
I think we'd better go talk to the last person
who saw the sunglasses.
- Oh, hello, kids. What can I do for you?
- Ahem. We're here in official capacity as detectives, Dad.
I mean, Mr. Petersen.
- Okay, how can I help you, detectives?
- [clears throat]
Mr. Petersen, we were wondering
if you could explain to us what you mean when you said
Mrs. Petersen's sunglasses disappeared into a black hole.
- It turns out, black holes aren't anywhere on Earth.
- And definitely not in people's kitchens.
- And then there's the whole gravity thing.
A black hole could crush a star,
so for sure it could crush a pair of sunglasses.
- Oh, I think I understand.
You were looking for an actual black hole.
- Well, yes, you said...
- You are all very good detectives.
- But we didn't even find the sunglasses.
- Yeah, but you did learn what a black hole is.
[chuckles]
When I said the kitchen counter was like a black hole,
I just meant that things disappeared from there.
It's an expression.
You know, something people say but don't mean exactly.
- Oh...
So not an actual black hole.
I guess this detective stuff is harder than it seems.
- But Mitchell, we still have a case!
- That's right--we still have missing sunglasses.
- Yes, that's true-- in fact, I was just going out
to get your mother another pair of sunglasses.
- Wait, Mr. Petersen-- maybe we can help you find
the pair she lost.
- Yeah, then you won't have to go buy another one.
- Hmm. Sounds like something I'd be interested in.
Go on.
- Hey, we can use the scientific method!
- What exactly is the scientific method again?
- I thought you'd never ask.
all: ♪ One! ♪ - ♪ Ask a question ♪
all: ♪ Based on observations! ♪
♪ Two! ♪ - ♪ Make a prediction ♪
all: ♪ That's your hypothesis! ♪
♪ Three! ♪ - ♪ Experiment ♪
all: ♪ Test your hypothesis! ♪
♪ Four! ♪ - ♪ Observe what happens ♪
all: ♪ And gather information! ♪
♪ Five! ♪ - ♪ Draw conclusions ♪
all: ♪ About what you discovered! ♪
♪ Six! ♪ - ♪ Share your findings ♪
all: ♪ Get the word to others! ♪
♪ The scientific method ♪
♪ It's the scientific method ♪
♪ Yeah! ♪
- So anyway...
- Mr. Petersen, if you close your eyes
and think back to yesterday, when you saw the glasses,
do you remember anything else?
- I remember Mrs. Petersen putting her sunglasses down
when she came home.
- Very good, Mr. Petersen.
What do you remember next? - Nothing.
I just put a glass of water down, I think.
[gasps] Oh, wait--
I think I knocked the sunglasses down!
[vacuum humming]
That's it! The vacuum!
- That's enough vacuuming, Sunspot.
You're distracting Mr. Petersen. - No. No, no, no.
There's something about the vacuum
that reminds me of what happened.
Can you please turn it on again?
[vacuum humming]
♪ ♪
- Um, but what does this all have to do with the vacuum?
- Actually, it has everything to do with the vacuum.
I remember now!
I remember the whole thing...
- So first Mom put her sunglasses down.
- Right.
- Then you put the water down. - Yes, that's right.
- And the water glass knocked the sunglasses off the counter,
but you didn't see it.
- Yes. It's true.
- So your mom must have been vacuuming
right at that moment.
- Yeah!
- That's exactly what happened!
You kids are great detectives!
- We are, aren't we?
- And now to prove our theory.
Be right back.
- So in a way,
the kitchen counter was like a black hole.
The sunglasses got sucked into the vacuum
and got crunched up.
- And a black hole uses gravity to suck giant things like stars
into it and crunch them up!
So it's kind of a "good news, bad news" situation, Dad.
- Yeah, I see what you mean, son.
The good news is,
the case of the missing sunglasses is solved.
The bad news is, I've still got to replace them.
And I don't like shopping.
[Sunspot barks]
Wow, thanks, Sunspot!
Oh, I'm sure Mrs. Petersen will love these!
And now I don't have to go to the mall!
Happy day!
- But I wonder where Sunspot got these?
- Has anyone seen my sunglasses?
♪ ♪
[Sunspot whistling]
- Well, I guess we have another mystery to solve.
Right, Detective Mitchell? - Yup.
I think this is the beginning of a beautiful friendship,
Junior Detective Mindy!
[all cheering]
♪ ♪
- When I was a little kid,
I used to lay on my back on the floor
and pretend that I could walk on the ceiling.
Did you ever used to do that?
- I did, I pretended like I was floating around in space.
- Hi, I'm astronomer Amy Mainzer,
and I'm here with Joy Dunn.
Joy's a senior manufacturing engineer at SpaceX.
So, Joy, why can't we walk on the ceiling?
- Because of this thing called gravity.
- What is gravity, exactly, anyway?
- Gravity is a force of nature
that helps keep us planted on the ground.
- But I can't see it and I can't smell it.
- But you can feel it.
- Oh, okay, so I can feel the pull of gravity.
I guess even if I don't realize it,
gravity's keeping us both on the ground, isn't it?
- It is.
- And the more stuff you have,
the more gravity you have, right?
- Exactly.
- Ah, okay, so, you know, if I toss this apple,
why doesn't it just fly off into space?
- Because the apple has a lot less gravity than the Earth.
The Earth has a lot of stuff,
so it's pulling the apple down to Earth.
- The Earth is way bigger than this apple,
and I guess even a lot bigger than this spacecraft over here.
- It is.
- If I throw that into space too,
I guess it's gonna fall down just like the apple, right?
- Exactly, even though the spacecraft is a lot bigger
than the apple, it's still gonna fall back to Earth
because the Earth has more stuff than the spacecraft.
- I mean, we have gravity, right?
- We do.
- But not as much as the Earth, huh?
- Right, not as much as the Earth,
and not as much as the Sun, so that's why the Earth
is actually orbiting around the Sun.
- So maybe it's a good thing we have all this wonderful gravity
keeping everything attached to the ground.
- That is true. Gravity's our friend.
- So the next time you're looking up at the ceiling,
and you wonder why you can't walk on it,
just remember, it's a good thing
that gravity is keeping us grounded.
- ♪ Jet Propulsion ♪
[together] Ready! Jet! Go!
[upbeat music]
♪ ♪
- Jet Propulsion! - Jet Propulsion!
- Jet Propulsion!
[together] Ready! Jet! Go!
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01x24 - Which Moon is Best?/Detective Mindy
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Jet Propulsion and his family are human aliens from the fictional planet Bortron 7 which orbits around a red dwarf called Bortron.
Jet Propulsion and his family are human aliens from the fictional planet Bortron 7 which orbits around a red dwarf called Bortron.