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Re: There is more water on Europa than Earth.

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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 09:38 PM
Google says: Europa's water would form a sphere 1,090 miles (1,754 km) in diameter. Earth's water-sphere would be 860 miles (1,384 km) across. Europa's ocean is 10 times deeper than the seas of Earth.


omg
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Gruses is not online. Gruses
Joined: 20 Feb 2013
Total Posts: 7170
17 Mar 2015 09:39 PM
What?
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MadSanity is not online. MadSanity
Joined: 13 Nov 2009
Total Posts: 41506
17 Mar 2015 09:44 PM
With the average depth of Earth's oceans being roughly 14,000 feet, comparing that to the distance from the surface to the core makes it look incredibly shallow. Europa may be smaller than the moon, but it's primarily composed of water and water ice in the first place.
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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 09:46 PM
yeah but like

140,000 feet of water straight down


dang that's a lot of pressure
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MadSanity is not online. MadSanity
Joined: 13 Nov 2009
Total Posts: 41506
17 Mar 2015 09:48 PM
"alot of pressure"

Actually, not really. Europa's gravitational pull is a fraction of that on Earth, So the pressure will be fairly tame for most of the way down.
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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 09:49 PM
but isn't there a lot of gravity going on because of jupiter
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Legoking561 is not online. Legoking561
Joined: 15 Apr 2014
Total Posts: 6705
17 Mar 2015 09:50 PM
Fun Fact:
Dark Matter keeps all the Galaxies together.
Without it, the galaxies would collapse and fall apart.
Thank goodness for Dark Matter!
Sources : Watching Sci Channel on Fridays
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Aboss448 is not online. Aboss448
Joined: 29 Aug 2012
Total Posts: 543
17 Mar 2015 09:51 PM
No no no, there is the gravity holding Europa to jupiter and then there is Europas own gravity. If jupiter's gravity were to even slightly affect Europa, it would be pulled in my now.
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MadSanity is not online. MadSanity
Joined: 13 Nov 2009
Total Posts: 41506
17 Mar 2015 09:51 PM
Errr no. Jupiter exerts tidal forces on Europa, but does not "lend" it gravity.
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oldsteve223 is not online. oldsteve223
Joined: 07 May 2012
Total Posts: 7658
17 Mar 2015 09:51 PM
There is also water on other moons like Ganymede.


~Go step on a Lego brick.~
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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 09:54 PM
"Errr no. Jupiter exerts tidal forces on Europa, but does not "lend" it gravity."

that's not what i said


but wait i have another question

would the gravity from jupiter make it easier or harder to swim where water exists furthest from the core
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oldsteve223 is not online. oldsteve223
Joined: 07 May 2012
Total Posts: 7658
17 Mar 2015 09:55 PM
It wouldn't make a difference. It depends on Europa's gravity.


~Go step on a Lego brick.~
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MadSanity is not online. MadSanity
Joined: 13 Nov 2009
Total Posts: 41506
17 Mar 2015 09:58 PM
Jupiter influences Europa by stretching it slightly. Europa tends to have slight bulges as it nears it's closest approach, and shrinks back when it extends out to the farthest portion of it's orbit. So assuming you could drill all the way down and start swimming in the subsurface oceans, there could be currents produced by the relationship between the moon and the parent planet.
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Aboss448 is not online. Aboss448
Joined: 29 Aug 2012
Total Posts: 543
17 Mar 2015 10:00 PM
Okay I was kind of right..
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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 10:00 PM
k i'll do it then tell you guys how it goes
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oldsteve223 is not online. oldsteve223
Joined: 07 May 2012
Total Posts: 7658
17 Mar 2015 10:01 PM
True. That is also the reason why there may be life on Europa. Jupiter's gravity pulls on Europa's core, heating it up, and possible creating underwater thermal vents that could warm the water, making life possible


~Go step on a Lego brick.~
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strangewaffleman200 is not online. strangewaffleman200
Joined: 20 May 2010
Total Posts: 525
17 Mar 2015 10:07 PM
If we ever need to go there, just send a satellite with an oil drum on it and tell the President once it arrives.
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Mantine55 is not online. Mantine55
Joined: 01 Jul 2010
Total Posts: 8417
17 Mar 2015 10:08 PM
"If we ever need to go there, just send a satellite with an oil drum on it and tell the President once it arrives."

but oil can't melt ice sheets
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SupahBoshi64 is not online. SupahBoshi64
Joined: 10 Aug 2010
Total Posts: 63997
17 Mar 2015 10:08 PM
The magma inside earth is part water.
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