Water plumes over Europa |
Water plumes over Europa |
Dec 12 2013, 04:55 PM
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#1
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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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Jan 8 2014, 11:54 PM
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#2
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Senior Member Group: Members Posts: 2090 Joined: 13-February 10 From: Ontario Member No.: 5221 |
The issue with parking directly in Europa orbit for any lengthy period is dealing with the high radiation environment and its effect on electronics, correct? Because staying near would take a lot of guesswork out of detecting and intercepting plumes.
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Jan 9 2014, 06:04 AM
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#3
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Senior Member Group: Members Posts: 2530 Joined: 20-April 05 Member No.: 321 |
A craft would have limited lifetime in Europa orbit. Moreover, that is extremely expensive in terms of delta-v to get into Europa orbit, then back out of it, then out of Jupiter's gravity well and back to Earth. Jupiter' gravity is the great obstacle here, not Europa's. What would make a mission like this work is only diving through Jupiter's gravity well, and getting that energy back on the way out.
The cheapest option would be to avoid Jupiter orbit at all, but that requires that the plumes are active at the time of a rendezvous predetermined years in advance. If we had the notion of the plumes performing on schedule regularly, that would be the best option. Otherwise, Jupiter orbit is essential. Europa orbit would kill the craft with radiation if it had to wait a long time for the plumes. So a high Jupiter orbit is the most flexible. |
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