New Horizons at Europa |
New Horizons at Europa |
Guest_AlexBlackwell_* |
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#1
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Time to start a thread about a far more interesting jovian moon
![]() Passing probe to study 'crop circles' on Europa 17:38 27 February 2007 NewScientist.com news service Kelly Young |
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#2
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Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 1276 Joined: 25-November 04 Member No.: 114 ![]() |
QUOTE the sulphur torus at Io's orbit was discovered fairly early on From earth based observations? Or the Voyager flybys? |
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#3
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 ![]() |
Voyager flybys, as I recall. I'm just thinking that any really energetic geysers on Europa would eject enough water (ice crystals) to create an observable torus. I grant you, the sulphur torus is very energetically enriched, constantly... but also as I recall, many of the probes that have gone to or past Jupiter have had rather sensitive spectrometers that would have detected even a very tenuous water ice torus in Europa's orbit.
I'd think that such detection would be possible from Earthbound telescopes, too, at this point -- but I could be wrong. ![]() -the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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