Water plumes over Europa |
Water plumes over Europa |
Dec 12 2013, 04:55 PM
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Member Group: Members Posts: 401 Joined: 5-January 07 From: Manchester England Member No.: 1563 |
This seems like the relevant place to post this (could be wrong): Water plumes from Europa? Apologies if it's already been up. The link to the Science article at the bottom doesn't work for me, does anyone have a working link to the original? Cheers.
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Dec 25 2014, 07:43 AM
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Senior Member Group: Members Posts: 2091 Joined: 13-February 10 From: Ontario Member No.: 5221 |
If it was an impact that caused the plumes, would JUICE or Europa Clipper see any evidence? Considering that its effects were visible from Earth, there would have to be a rather large crater, right? Obviously only speculation at this point...
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Dec 25 2014, 11:28 PM
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IMG to PNG GOD Group: Moderator Posts: 2251 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
If it was an impact that caused the plumes, would JUICE or Europa Clipper see any evidence? Considering that its effects were visible from Earth, there would have to be a rather large crater, right? Obviously only speculation at this point... A new and relatively small crater could only be detected if it formed in the terrain that was well imaged by Galileo. Plumes similar to Enceladus' plumes would be ~70 km high when scaled to Europa's gravity so they wouldn't be too difficult to image from a Jupiter-orbiting spacecraft. JUICE should have no problems imaging them from e.g. Ganymede's orbit if they are near the limb but one possible problem is that any plumes might be smaller than this and they could be episodic. For imaging you want high-phase imaging and possibly a violet or UV filter. There aren't that many good high-phase images of Europa but as Ted indicated, any plumes can be ruled out in all of them except maybe for one Voyager image where noise is by far the most likely reason. |
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