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Jupiter's Moons: Crash Course Astronomy #17 

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Before moving on from Jupiter to Saturn, we’re going to linger for a moment on Jupiter’s moons. There are 67 known moons, 4 of which are the huge ones that we want to explore in greater detail. Ganymede is the largest - larger, in fact, than any other moon in the solar system and the planet Mercury! Callisto, orbiting the farthest out, is smaller but quite similar to Ganymede in many ways. Io, meanwhile, is most noteworthy for its tremendous volcanic activity. There’s also water on Ganymede and Europa!
This episode was brought to you by Squarespace www.squarespace.com/crashcourse
Check out the Crash Course Astronomy solar system poster here: store.dftba.com/products/crash...
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Chapters:
Introduction: Jupiter's Moons 00:00
Ganymede: Jupiter's Largest Moon 1:15
Callisto: Jupiter's Second Largest Moon 2:15
Io: Volcanoes! 2:59
Europa: The Ocean Moon 4:48
The Habitable Zone 7:05
Jupiter's Other Moons 7:49
Review 9:33
--
PBS Digital Studios: / pbsdigitalstudios
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PHOTO/VIDEO SOURCES
Galileo’s notebook hos.ou.edu/exhibits/exhibit.ph... [credit: Image(s) courtesy History of Science Collections, University of Oklahoma Libraries; copyright the Board of Regents of the University of Oklahoma.]
Jupiter’s moons photojournal.jpl.nasa.gov/jpeg... [credit: NASA/JPL/DLR]
Ganymede svs.gsfc.nasa.gov/vis/a010000/... [credit: NASA/JPL/Ted Stryk]
Interior of Ganymede commons.wikimedia.org/wiki/Fi... [credit: Wikimedia Commons / NASA]
Ganymede terrain commons.wikimedia.org/wiki/Fi... [credit: Wikimedia Commons / NASA]
Artist Conception of Ganymede www.nasa.gov/content/goddard/h... (Figure 5) [credit: NASA/ESA]
Callisto photojournal.jpl.nasa.gov/jpeg... [credit: NASA/JPL/DLR]
Interior of Callisto en.wikipedia.org/wiki/Callist... [credit: Wikimedia Commons / NASA]
Valhalla crater on Callisto commons.wikimedia.org/wiki/Fi... [credit: Wikimedia Commons / NASA / JPL]
Io svs.gsfc.nasa.gov/vis/a010000/... [credit: NASA/JPL/USGS]
Io volcano image solarviews.com/browse/jup/iopl... [credit: NASA/JPL]
Io eruption video svs.gsfc.nasa.gov/vis/a010000/... [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute]
Io surface svs.gsfc.nasa.gov/vis/a010000/... [credit: NASA/JPL/University of Arizona]
Jupiter Magnetosphere Schema en.wikipedia.org/wiki/Io_(moo... [credit: Wikimedia Commons / Volcanopele]
Jupiter aurora www.spacetelescope.org/static/... [credit: NASA, ESA & John T. Clarke (Univ. of Michigan)]
Europa photojournal.jpl.nasa.gov/jpeg... [credit: NASA/JPL-Caltech/SETI Institute]
Europa ocean apod.nasa.gov/apod/image/1205/... [credit: NASA/JPL/Kevin Hand
Habitable zone diagram www.keckobservatory.org/images... [credit: PETIGURA/UC BERKELEY, HOWARD/UH-MANOA, MARCY/UC BERKELEY]
Amalthea photojournal.jpl.nasa.gov/jpeg... [c redit: NASA/JPL/Cornell University]

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17 июн 2024

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Комментарии : 974   
@jeroenjager8064
@jeroenjager8064 6 лет назад
"But that was no moon" I thought we discovered the death star for a second.
@joshbobst1629
@joshbobst1629 9 лет назад
I think we should call moons that are too small to be round, like small asteroids, asteroons.
@AzureKite
@AzureKite 9 лет назад
Josh Bobst NASA, hire this man.
@sion8
@sion8 9 лет назад
Or like someone said in these comments 'dwarf moon' as the concept of dwarf planets already exits!
@joshbobst1629
@joshbobst1629 9 лет назад
Aww, thanks, you guys.
@crashcourse
@crashcourse 9 лет назад
Josh Bobst A+ nomenclature. Your ideas are intriguing to me and I wish to subscribe to your newsletter. -Nicole
@KASASpace
@KASASpace 9 лет назад
Josh Bobst Perhaps Lunaroids? Seeing as how they're "moon like". But I guess luna is too specific? Asteroons is interesting, but Asteroid means "star-like", so Asteroon is gibberish, AFAIK. Good try, though, man.
@Tesserex
@Tesserex 9 лет назад
Fun fact: Io, Europa, and Ganymede are in 1:2:4 orbital resonance. Meaning for every time Ganymede orbits, Europa orbits twice, and Io orbits 4 times. But their pattern is such that there's never a triple conjunction (they never all line up on the same side of Jupiter, instead there can only be two of them at conjunction and the other at opposition).
@davidshafer1872
@davidshafer1872 8 лет назад
Jupiter is considered by some to be a system in it's own right, and as you said in a previous episode it emits heat. When you combine that with the friction from tidal forces on Europa by the other moons, it wouldn't too much of a stretch to say that the Jupiter System has it's own habitable zone.
@monev44
@monev44 9 лет назад
I'm looking forward to more astronomy videos. A LOT MORE! A LOT!
@gideonanthis8118
@gideonanthis8118 9 лет назад
monev I love the astronomy videos the most!They're AWSOME!!!
@toxichamsta4852
@toxichamsta4852 9 лет назад
Gideon Anthis
@toxichamsta4852
@toxichamsta4852 9 лет назад
Lord Zephyros
@wuteverfloatsurkayak
@wuteverfloatsurkayak 9 лет назад
monev Hands down the best comment on this video.
@Doc_Loc
@Doc_Loc 7 лет назад
gotta have more +monev A LOT MORE B-)
@goprolikeapro
@goprolikeapro 9 лет назад
If there's life on Europa, does that make them Europeans?
@Tytoalba777
@Tytoalba777 9 лет назад
liampgc as funny as that is, it's probably a no, it would probably the far-less-cool Europans or Europese Actually, can we start calling Europeans Europese?
@schmittelt
@schmittelt 9 лет назад
liampgc I don't know about that, but if there are ever permanent residents on our own moon, they'd be called "Lunatics"
@park_mochi8028
@park_mochi8028 6 лет назад
liampgc haha 😂
@edthoreum7625
@edthoreum7625 6 лет назад
peas?
@luis_zuniga
@luis_zuniga 5 лет назад
schmittelt I think they where called Selenites.
@Grillpander
@Grillpander 9 лет назад
Living in Germany, I can assure you: There is life in Europa. Thank you, I'm here all week.
@MettheSlayer
@MettheSlayer 9 лет назад
Grillpanzer I too am from Europa, can confirm.
@manospondylus4896
@manospondylus4896 9 лет назад
Living in Switzerland, I can assure you: there is no intelligent life in Europa.
@MettheSlayer
@MettheSlayer 9 лет назад
Jake Long Yes, he´s actually my neighbour here in Vienna. I greet him once in a while, but the only thing he does is stretching his right arm in the air back at me, it´s weird.
@Julianna.Domina
@Julianna.Domina 9 лет назад
Grillpanzer France is, hear all, weak.
@Donxster
@Donxster 9 лет назад
Grillpanzer I thought that was Europia! (I have been saying that for years!)
@Eternal_Tinsel
@Eternal_Tinsel 9 лет назад
To all space programs, one of you better get to Europa before I die so I can know whether or not there is alien life. Please and thank you!
@sizanogreen9900
@sizanogreen9900 9 лет назад
Michael Kilduff I am there right now and I can tell you that there isn't much more alien life here than anywhere else on the planet, just some occasional UFO but that is basically it:P
@syamfarhan3334
@syamfarhan3334 9 лет назад
Michael Kilduff "Humans" here can breath underwater too!
@arandommoonofjupiter6845
@arandommoonofjupiter6845 7 лет назад
Michael Kilduff i'll tell you no
@proximab9028
@proximab9028 5 лет назад
Likely miscroscopic organisms or small creatures, I’d be more hyped for Ganymede, that’s a place we should go first
@MrBloodySpirit
@MrBloodySpirit 9 лет назад
There is A LOT to talk about when it comes to space. This could have so many episodes. Keep it up, it's awesome.
@sheepwshotguns
@sheepwshotguns 9 лет назад
we better make it under the surface of europa in my lifetime with a live stream camera or im going to be pissed!
@cloudycloudi631
@cloudycloudi631 9 лет назад
sheepwshotguns YES, i want to be able to see it. that is basically what was going through my mind after he mentioned it
@Avemis1
@Avemis1 9 лет назад
sheepwshotguns Scrap the human spaceflight program and you can have a comprehensive Europa mission within a couple years. Somehow humanity is fixed at sending warm mushy living tissues into hard vacuum.
@Cablesfish
@Cablesfish 9 лет назад
sheepwshotguns And a flashlight...
@Fatortu
@Fatortu 9 лет назад
sheepwshotguns Well under 90km of water, I'm not sure we could capture any visible light. And I think bacterial life doesn't emit much infrared light. So you would basically have a black screen...
@jeisonwarrior
@jeisonwarrior 9 лет назад
sheepwshotguns Your name and your profile picture is amazing
@effiedeia1850
@effiedeia1850 9 лет назад
Ganymede is one of my favourite astral bodies. I love the little unique story behind Ganymede as a mythological character too. The aurora light effects on the poles are gorgeous. Europa is extremely interesting with its layers of ice and water and I can't wait for more information on that moon. The movie Europa was really interesting. Thanks for making these videos!
@theownerest322
@theownerest322 9 лет назад
Felicity Jane Smith Macau Macedonia Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Mauritania Mauritius Mexico Micronesia Moldova Monaco Mongolia Montenegro Morocco Mozambique
@DeadPyro96
@DeadPyro96 9 лет назад
theownerest What?
@astrid1870
@astrid1870 9 лет назад
Phil is a really good host.
@MettheSlayer
@MettheSlayer 9 лет назад
Goddam, didn´t know that our own solar system was that cool.
@manospondylus4896
@manospondylus4896 9 лет назад
I think your mind will be totally blown when you read about Saturn's moon Titan.
@davidk1308
@davidk1308 9 лет назад
Ein Baum Yup!
@edthoreum7625
@edthoreum7625 6 лет назад
sad things is that many earthlings dont know much about this or care? 1 bil. views for a stupid song while this video half mil. by 2017?
@skynet1024
@skynet1024 4 года назад
Europa: NASA, come over! NASA: can't.... just too far away! Europa: I'm wet. NASA: I am coming...!
@kendawg3459
@kendawg3459 4 года назад
Jeevan Acharya lol
@maiaraloureiro2384
@maiaraloureiro2384 9 лет назад
Crash Course Astronomy is one of the best things ever in the history of humankind. Congratulations
@McNarly
@McNarly 9 лет назад
This episode, particularly the section about Europa is the reason I tune in to this show. I've been so curious about Planets (or in this case Moons) we believe have the conditions for living organisms. I don't remember ever being this interested in learning when I was in school. Loving this series so far, thanks for keeping it interesting!!!
@TJ-vs6xi
@TJ-vs6xi 9 лет назад
I just wanted to say this is my favorite show on RU-vid and you guys have a good thing going here. I love you guys!!!!
@bjornhommel246
@bjornhommel246 9 лет назад
Phil, Crash Course Astronomy is amazing. Your depths of knowledge and your didactic skills make this show so much fun to watch. Please keep it up, love it!
@Max10192
@Max10192 9 лет назад
There are only a few youtube channels that i regularly check for updates, and this astronomy course is one of them. I absolutely love these videos!
@potawatomi100
@potawatomi100 4 года назад
Phil, you produce some of the best programming on RU-vid and television for that matter. Outstanding information and excellently narrated. Thank you.
@robertandersson1128
@robertandersson1128 7 лет назад
Thank you very much for making this video. Phil Plait and the others at _CrashCourse_ Astronomy! It was really interesting to learn about the moons of Jupiter. Jupiter - the gorilla in the Solar system, the giant that is really hostile to live but has moons that are promising in the search for life on other worlds. Go Europa! I can’t wait for next episode, where we will learn about Titan and Enceladus! By the way, I live in Europe and this also seams life can exist here to. ☺
@reedr7142
@reedr7142 7 лет назад
The names of the Galilean moons (Io, Europa, Ganymede and Callisto) were given by Simon Marius. There is some contention as to who "discovered" the moons initially, with the satellites ultimately being named after Galileo, yet the names for them came from Marius. Love these videos!
@KAPTKRUNCHitize
@KAPTKRUNCHitize 9 лет назад
I am so glad that you guys have Jupiter's moons their own episode. Kudos CrashCourse!
@Donthefirst
@Donthefirst 8 лет назад
3:22 That's no moon...
@999monsterjam3
@999monsterjam3 9 лет назад
3:24 That was a space station.
@EvilNeonETC
@EvilNeonETC 9 лет назад
.... Or reflective liquids.
@JonnysGameChannel
@JonnysGameChannel 9 лет назад
999MonsterJam To big to be a space station.
@cloudycloudi631
@cloudycloudi631 9 лет назад
JonnysGameChannel but to small to be a moon... anyone get the refrence?
@Groaker
@Groaker 9 лет назад
999MonsterJam Wrong. It was the Illuminati.
@avigyabhattarai8158
@avigyabhattarai8158 9 лет назад
Or an asteroid or comet unlikely but it could be
@brycealley5457
@brycealley5457 8 лет назад
(7:01) "It used to be science fiction. Now, it's a topic of scholarly research." Story of my life!
@Armageddon2077
@Armageddon2077 9 лет назад
Really been looking forward to this... Jupiter's moons are one of my favourite things in the solar system.
@MrDoob-xo3sm
@MrDoob-xo3sm 8 лет назад
Beautiful episode! So glad I stumbled upon CrashCourse!
@michaelwelch530
@michaelwelch530 9 лет назад
cant wait tell we get to Uranus
@tenaciousdean6179
@tenaciousdean6179 9 лет назад
Dusty Walrus That's what she said
@millerrepin4452
@millerrepin4452 9 лет назад
***** no that's what the prison inmate said.
@tenaciousdean6179
@tenaciousdean6179 9 лет назад
miller repin OHHHHH
@millerrepin4452
@millerrepin4452 9 лет назад
***** Yeah, now you should run
@ovsgaming6063
@ovsgaming6063 8 лет назад
Oh sht plz bo
@douglastang123
@douglastang123 9 лет назад
best teacher.
@TigerWoodsLibido
@TigerWoodsLibido 9 лет назад
I hope you can go into the fact that 3 of the moons are in an orbital resonance. That concept is actually very important in astronomy and can create some wacky scenarios.
@foozlefoozle
@foozlefoozle 5 лет назад
CrashCourse guy. In one of your next classes, please explain the physical-chemical origins of gravity, so important to all of us in the Universe. Love your classes. Thank you.
@lovipoekimo176
@lovipoekimo176 9 лет назад
I'm excited to explore Uranus....
@RealTwistedTwin
@RealTwistedTwin 9 лет назад
Lovi Poekimo that profile pic too :D made me laugh ^^
@yassinlabichi6522
@yassinlabichi6522 9 лет назад
chp1593 who knows what moons are orbiting around uranus
@luaevablue
@luaevablue 9 лет назад
Mark Martin Lovi Poekimo The year is 2XXX. The man just landed on Uranus for the fist time. First words there: "Insert anus joke here" Earth applauds.
@ITsIMP0RT4NT
@ITsIMP0RT4NT 8 лет назад
You'll be disappointed to find out its just full of gas.
@StevenEveral
@StevenEveral 8 лет назад
+Lovi Poekimo * looks at you with severe disdain *
@zkncodeine
@zkncodeine 5 лет назад
"but there's Europa, all wet"
@user-fc9gf4bf9e
@user-fc9gf4bf9e 4 года назад
Excellent explanation!👏
@hannahogier654
@hannahogier654 9 лет назад
Learning so much from this series, hope it lasts a long time!
@rebelyell1983x
@rebelyell1983x 9 лет назад
PLUTO better get it's OWN damn episode!! Esp in 2015 with the New Horizons mission!
@mohammed7140
@mohammed7140 6 лет назад
rebelyell1983x Well , he didn't
@bessiframusavik8056
@bessiframusavik8056 5 лет назад
Why would they make an episode on an orange dog?
@99batran
@99batran 9 лет назад
My favorite Moon: Mimas
@lukestrawwalker
@lukestrawwalker 4 года назад
@@DeVolksrepubliek That's no moon... it's a SPACE STATION!!! Turn the ship around! LOL:) OL J R :)
@magdaliaservellon1727
@magdaliaservellon1727 4 года назад
mine is almathea
@whydoiexistmycommentsareso3610
@whydoiexistmycommentsareso3610 4 года назад
Mimas tooo
@lukestrawwalker
@lukestrawwalker 4 года назад
The Death Star WILL be completed on schedule... Later! OL J R
@enternalinferno
@enternalinferno 9 лет назад
Love these, keep up the good work!
@megarachnid
@megarachnid 9 лет назад
Thanks so much for a great series! Keep the videos coming. :)
@deadbonesbones7584
@deadbonesbones7584 8 лет назад
io looks like moldy cheese
@rlrsk8r1
@rlrsk8r1 8 лет назад
Here's my metric for "Is it a moon or not:" If I (an average human) can stand on the body, jump as hard as i can, but still be brought back down to the surface by gravity, it's a moon. If I can escape the body on leg power alone, it's a satellite.
@thekilmer09
@thekilmer09 8 лет назад
+rlrsk8r1 by your definition, earth is a moon, revolving around the sun (which is also a moon revolving around the center of the Milky way). Your definition needs more specifications.
@rlrsk8r1
@rlrsk8r1 8 лет назад
I would also define a moon as an object in a stable orbit around a planet as defined by the IAU.
@geoffreybrunell5592
@geoffreybrunell5592 8 лет назад
That definition is very vague considering that different people have different muscular strength in their legs.
@thegardenofeatin5965
@thegardenofeatin5965 8 лет назад
No it isn't. If *I* can jump as hard as I can. Not *a person* can jump as hard as they can.
@geoffreybrunell5592
@geoffreybrunell5592 8 лет назад
The Garden of Eatin But how many newtons of force can his legs exert then?
@Hachikii
@Hachikii 6 лет назад
i like how you deliver information in a straight smooth way!!!!! big like
@jasace100
@jasace100 5 лет назад
The information is great. I have to pause it and really absorb it , bit by bit ... this is great .
@LarsaXL
@LarsaXL 8 лет назад
If we were to count tennis ball sized rocks Moons, then I bet the Earth has more than one moon. And many of them would be very fascinating since they are made with a very strange mix of materials that looks way to complicated to be natural. oh and they communicates with your smartphone.
@OYSTERPERPETUALS
@OYSTERPERPETUALS 9 лет назад
waiting on Neptune. :)
@bluetannery1527
@bluetannery1527 9 лет назад
In waiting for... URANUS LOOOOOL
@syamfarhan3334
@syamfarhan3334 9 лет назад
Saturn's moon is more interesting to me
@livinsite1
@livinsite1 9 лет назад
the way he describes the sky of the moon closest to jupiter... things like that are the reason I seek out for videos like this.... incredible.... keeps the curiosity juice flowing... its things like this from which science fiction is born... such a huge mass on the sky wow.... they should send a probe just to observe from the sky from that moon :P ....
@subutaynoyan5372
@subutaynoyan5372 9 лет назад
This is gold guys, well done.
@carolwan7537
@carolwan7537 4 года назад
If we found life on Europa, will they be called Europeans?
@thestarforger832
@thestarforger832 4 года назад
I was taught that Io gets flexed because it’s closer and farther part from Jupiter get attracted differently.
@faybrianhernandez2416
@faybrianhernandez2416 4 года назад
Maybe you are speaking of "tidal locking"? like our own moon is tidally locked to the Earth. One side of our moon faces the Earth all the time, the other side doesn't, gravity pulls on the side facing us more than the side that doesn't.
@LaustinSpayce
@LaustinSpayce 9 лет назад
Crash Course Astronomy is the best Crash Course you can get!
@ericbernhagen
@ericbernhagen 9 лет назад
i was very excited for this episode! Jupiter's moons are the most interesting part of our solar system besides earth in my opinion.
@davidabonyi4556
@davidabonyi4556 9 лет назад
I wonder if a moon can have a natural satelite on it's own. Now I know it may sound crazy, but I see no reason why it would be impossible. (Arent there are like stable orbit zones around all celestial objects? Langrange points, maybe? I dont know)
@MrRizeAG
@MrRizeAG 9 лет назад
Dávid Abonyi I think the problem would be that the moons are already so close to a large planet, that the "moon's moon" would likely get thrown off balance by the planet and fall down to it. I suppose it's technically possible though, if everything lines up just right.
@Tytoalba777
@Tytoalba777 9 лет назад
Dávid Abonyi *cough* we're about to have a revolu-ception here *clears throat* an small asteroid rotating around a large asteroid rotating around a moon rotating around a planet rotating around a sun
@lollersauce914
@lollersauce914 9 лет назад
***** What about the Moongols?
@cloudycloudi631
@cloudycloudi631 9 лет назад
lollersauce914 cue the moongoltage
@sion8
@sion8 9 лет назад
How about a binary lunar system orbiting a planet, technically that isn't a moon orbiting a moon but it maybe easier I guess.
@Defamation_
@Defamation_ 9 лет назад
"immediate concerns" I KNEW SPACE PIRATES WERE REAL!!!
@archie3013
@archie3013 6 лет назад
This is so fascinating 😍
@PrParrot
@PrParrot 9 лет назад
I love your enthusiasm man!
@arx3516
@arx3516 6 лет назад
Imagine how expensive would be sashimi prepared with fish from Europa!
@gephc4
@gephc4 9 лет назад
Did you like my cameo at 6:50?
@joshuahettinger9287
@joshuahettinger9287 9 лет назад
Geph C xD
@hm-mt3wj
@hm-mt3wj 9 лет назад
Go home Hanklerfish! You're drunk!
@gephc4
@gephc4 9 лет назад
+Sky Breeze That explains why I keep Trying to Breathe Air. dftba.
@fortyseventen
@fortyseventen 5 лет назад
Collective resonance of Jupiter's big 4 motors 28/14/7/3 Io/Europa/Ganymede/Callisto Fire Io, Water Europa, Air Ganymede, Earth Callisto
@mohamedmedhat7841
@mohamedmedhat7841 6 лет назад
Amazing as usual
@ptxaholic
@ptxaholic 9 лет назад
😍 You look amazing in that shirt color!
@badastronomy
@badastronomy 9 лет назад
Sara H Thanks! :)
@unematrix
@unematrix 8 лет назад
+Sara H everybody looks better in red. it's scientifically proven that a person wearing red is perceived as more atractive.
@birdmn9930
@birdmn9930 8 лет назад
+unematrix so why do people run away from me when I cover my shirt with the blood of orphans 🤔
@honeycane8303
@honeycane8303 7 лет назад
Jesse McCree you disgust me
@minecraftgonewild184
@minecraftgonewild184 8 лет назад
Jupiter's moons are named after his lovers'. So when you say 'There's Europa, all wet.' It can go both ways. ;)
@neeks7046
@neeks7046 8 лет назад
Tru tru
@envi.3901
@envi.3901 4 года назад
😉😉😉😉😉😉😉
@carmeleneclores7715
@carmeleneclores7715 4 года назад
😂😂😂
@anonymouscarrot4899
@anonymouscarrot4899 Год назад
I loved this video! My favorite moon is Callisto, I did a project on it in 5th grade.
@vrstovsek
@vrstovsek 9 лет назад
I just love these!
@happylady87
@happylady87 7 лет назад
Amazing. My dream is to go to space!
@99batran
@99batran 9 лет назад
why should we call our moon THE Moon? at least for long? We should find some way to distinguish in from the rest, someday, if Humans colonize other planets. We need to distinguish between each moon. Even humans on other planets someday would call their moons THE MOONS or the moon. We could nickname our moon "Luna" to distinguish it
@West_Kagle
@West_Kagle 9 лет назад
99batran . I think that the moon (our moon) is technically called Luna. At least in every video game I have played that involves space travel and exploration, the name of the celestial body that orbits Earth is Luna (although, video games are not an offical source for information).
@draconianking
@draconianking 9 лет назад
West Kagle The sun, moon, and our planet have no set name. Sure, we've all seen the names of Sol, Luna, and Terra, but they are just popular names. Every language calls them something different.
@Ironysandwich
@Ironysandwich 9 лет назад
99batran We do distinguish it. Our moon is named Moon. Admittedly that's a little like naming your dog Dog, but it works well enough. I second "Luna" though, which, like nicknaming Dog Canis, isn't' really any different, but it does sound a bit better.
@megaman922934
@megaman922934 9 лет назад
99batran Our moon is actually called Luna (which is Latin for moon but still...) just like our sun isn't called The Sun its called Sol. This is where you get Lunar and Solar from.
@99batran
@99batran 9 лет назад
yeah ik Luna also means moon, but what else that's sounds just as cool?
@zabuma
@zabuma 9 лет назад
Fantastic episode!
@seanabbott7065
@seanabbott7065 4 года назад
Like a black hole devouring stars im devouring all this awesome info much love and respect and appreciation for the education of this vast vast universe
@Efrain891
@Efrain891 7 лет назад
Imagine the animals lurking underneath Europa....
@mjh9438
@mjh9438 7 лет назад
TheLife96 it would be so dark
@edthoreum7625
@edthoreum7625 6 лет назад
4:50 - Opa! too much radiation like mercury
@EmperorPrinc3
@EmperorPrinc3 9 лет назад
Life on earth is all built off of water, can it not be possible for life to build off another liquid? Or is that just incomprehensible to us?
@manospondylus4896
@manospondylus4896 9 лет назад
I recommend you to read about Saturn's moon Titan. You'll be amazed!
@TheMathMog93
@TheMathMog93 9 лет назад
Gabriel Angelos Listen to the part at 7:42. That refers to what you said. Forms of life that might be based on other things, than water and carbon.
@numberjackfiutro7412
@numberjackfiutro7412 5 лет назад
It's possible, Saturn's moon Titan is the most likely candidate in our solar system for methane and amonia based organisms.
@merlijnbell8747
@merlijnbell8747 9 лет назад
I love what you teach us. Thank you a frickin lot !!
@subhendum
@subhendum 9 лет назад
Nice informative Video. Thanks
@jacobwalker4156
@jacobwalker4156 9 лет назад
under 301 club how tough are ya lolz sorry had to
@ObitoSigma
@ObitoSigma 9 лет назад
Jacob Walker Hahaha... I don't get the joke. :|
@lee177swgoh
@lee177swgoh 7 лет назад
Jacob Walker i punched a lolipop
@Bram06
@Bram06 9 лет назад
3:24 that's no moon!
@tdr1gta568
@tdr1gta568 5 лет назад
Ur stupid
@frankteng
@frankteng 5 лет назад
Yep found you.
@JohnnyHikesSW
@JohnnyHikesSW 9 лет назад
Ridiculously informative. This is more information than I have read in all of my astronomy books
@jo8217
@jo8217 9 лет назад
Awesome video !!!
@Chefianf
@Chefianf 9 лет назад
All these worlds are yours...except Europa.. Attempt no landing here
@gl1500ctv
@gl1500ctv 9 лет назад
Exactly! So sayeth the almighty monolith...
@nolanthiessen1073
@nolanthiessen1073 9 лет назад
Stephen Furr All hail the almighty monolith!
@MegaGanash
@MegaGanash 9 лет назад
Chefianf I love you
@Fatortu
@Fatortu 9 лет назад
Chefianf Use them together. Use them in peace.
@colinmaclaughlanweir9670
@colinmaclaughlanweir9670 9 лет назад
Chefianf then thats where I'm going
@Spartanz1170
@Spartanz1170 9 лет назад
The Kerbals are gone....
@IstasPumaNevada
@IstasPumaNevada 9 лет назад
Idonteven I would like for them to return.
@Nicoder6884
@Nicoder6884 9 лет назад
Me too.
@CassBOTRR
@CassBOTRR 5 лет назад
🦀🦀🦀
@viktornerlander1409
@viktornerlander1409 9 лет назад
It's rediculous how much I love this series. I was going to observe Saturn today but the damn clouds came before I could get home and get my telescope out.
@dartek14
@dartek14 9 лет назад
whew that's a ton of info great job Phil
@samwelltarly6700
@samwelltarly6700 8 лет назад
7:30 Jupiter makes Europa wet, lol (You'll get it if you know your greco-roman mythology)
@alaaye5237
@alaaye5237 4 года назад
Samwell Tarly Juno is gonna have to check up on Jupiter and Europa 😂
@davidramziz3200
@davidramziz3200 9 лет назад
Sooooo, europas all wet huh ;)
@salvodippolito6013
@salvodippolito6013 9 лет назад
Best Crash Course by far:D
@astropredo
@astropredo 6 лет назад
I LOVE THIS COURSE!
@brandonthesteele
@brandonthesteele 9 лет назад
*goes through unskippable SquareSpace ad* "This episode of Crash Course is brought to you by SquareSpace" Gee, no shit
@blasterkeyggarz1796
@blasterkeyggarz1796 7 лет назад
why earth has only 1 moon???
@trendyboy1539
@trendyboy1539 6 лет назад
BLASTER KEYGGARZ because soviets blew all others when they landed there and Stalin even got them deleted from historical photographs and other refferences. But this was luckier as Americans landed here so it is still there but cannot tell till when.
@hankapaldum6027
@hankapaldum6027 9 лет назад
great episode! please do the same for saturn's moons after a full episode about saturn!
@jefflawrencederramas3851
@jefflawrencederramas3851 7 лет назад
The video definitely shows the improvements that had been made by man in terms of astronomy. The aesthetics of the video were really fantastic since not only it is fun, but it also greatly helps in the understanding of the topic. They weren't all over the place and it gives the vibe of a conducive learning environment. Also, the interrelationships of the four moons and Jupiter were highly emphasized; it makes learning easier for the viewers. An example of it is: the sulfur-rich material being ejected because of the activity with the other moons which is tidal flexing which heats its interior through friction. It's also great that the video also put emphasis in Europa's comparability to Earth. The existence of carbon-based molecules and salt supports it. The possibility of the spawning of life in Europa is probably a staggering discovery for mankind since it helps in the innovation of astronomical research
@rionasera
@rionasera 7 лет назад
Jupiter must have a crazy werewolf problem.
@SpiteBellow
@SpiteBellow 5 лет назад
What if there is an hyper intelligent race of octopuses living under the surface of Europa? Could be right?
@forrest1777
@forrest1777 9 лет назад
I always love listening about Europa moon XD
@scalliboy2698
@scalliboy2698 9 лет назад
I love these Episodes! :)
@jordanetherington1922
@jordanetherington1922 9 лет назад
Jupiter OP plz nerf.
@MrJassie123
@MrJassie123 9 лет назад
Jordan Etherington it's Diana from league of legends wet dream to live in Jupiter
@hm-mt3wj
@hm-mt3wj 9 лет назад
Goddamm it Amercia politicians. Y u slash NASA's budget?!
@ida1260
@ida1260 7 лет назад
thanks this really helped! got presentation on io on thursday
@DanielVerberne
@DanielVerberne 4 года назад
Fantastic summary! I'd never want to live forever, but I'd love to be able to somehow "return" and check out the Universe and humans at points in the future. If I could return in a hundred or more years when we hopefully send craft to Europa, I'd love to be able to "return" just to find out what humanity learns from exploring the oceans of Europa. It could be nothing but a frigid lifeless ocean, but it could hold life....
@DoglinsShadow
@DoglinsShadow 4 года назад
Thank you for these incredible videos (: You are a hero!
@roaawalled1146
@roaawalled1146 Год назад
Thanks for formation ❤
@ardtv1655
@ardtv1655 6 лет назад
Nice video bro keep it up
@Robot_Overlord
@Robot_Overlord 9 лет назад
Fantastic
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