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Liquid water on Enceladus, Guysers of liquid water found on Enceladuus
jsheff
post Mar 9 2006, 07:26 PM
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Enceladus just jumped to way near the top of the list of biologically interesting places. We know how to get to Mars; we some ideas of further exploration of Euiropa and Titan. Has anyone designed a mission to land on Enceladus? What would it take? How much delta vee?
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ljk4-1
post Mar 9 2006, 09:45 PM
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I distinctly remember the National Geographic Magazine issue from 1981
which had an article on Voyager 1's mission to Saturn in late 1980 (but not
Voyager 2's later flyby, which had not happened yet).

Enceladus was rather far from Voyager 1 and no real surface features
could be seen.

This famous montage of the Saturn system includes the Voyager 1
image of the moon where you can see it is essentially blank:

http://photojournal.jpl.nasa.gov/jpeg/PIA01482.jpg

And Phil Stooke's more detailed maps and images:

http://www.ssc.uwo.ca/geography/spacemap/enceladu.htm

Scientists speculated that Enceladus' entire surface was
constantly being covered and reshaped by active geysers. The article
even included an artwork depicting these geysers spraying liquid water
from cracks in the crust!

Anyone else remember this or have the actual art handy to post?


--------------------
"After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance.
I see that such intercourse long continued would make one thoroughly prosaic, hard,
and coarse. But the longest intercourse with Nature, though in her rudest moods, does
not thus harden and make coarse. A hard, sensible man whom we liken to a rock is
indeed much harder than a rock. From hard, coarse, insensible men with whom I have
no sympathy, I go to commune with the rocks, whose hearts are comparatively soft."

- Henry David Thoreau, November 15, 1853

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- jsheff   Liquid water on Enceladus   Mar 9 2006, 07:26 PM
- - Jyril   Enceladus has been near the top of the list since ...   Mar 9 2006, 08:34 PM
- - Richard Trigaux   "liquid water" seems a little bit exager...   Mar 9 2006, 09:09 PM
- - ljk4-1   I distinctly remember the National Geographic Maga...   Mar 9 2006, 09:45 PM
|- - jmknapp   Here's the Science magazine intro: Tiger, Tig...   Mar 9 2006, 10:03 PM
|- - David   QUOTE (ljk4-1 @ Mar 9 2006, 09:45 PM...   Mar 10 2006, 12:58 AM
- - Decepticon   I remember that picture! I saw it in National...   Mar 9 2006, 09:57 PM
- - lyford   Interview with Dr. Carolyn Porco JPL Podcast   Mar 10 2006, 12:26 AM
- - nprev   QUOTE (jsheff @ Mar 9 2006, 11:26 AM) Enc...   Mar 10 2006, 01:26 AM
|- - tasp   QUOTE (nprev @ Mar 9 2006, 07:26 PM) In a...   Mar 10 2006, 02:21 AM
|- - David   QUOTE (tasp @ Mar 10 2006, 02:21 AM) Perh...   Mar 10 2006, 02:26 AM
||- - nprev   QUOTE (David @ Mar 9 2006, 06:26 PM) They...   Mar 10 2006, 03:52 AM
|- - tasp   QUOTE (tasp @ Mar 9 2006, 08:21 PM) How...   Mar 10 2006, 02:33 AM
|- - mchan   QUOTE (tasp @ Mar 9 2006, 06:21 PM) How...   Mar 10 2006, 03:54 AM
|- - jmknapp   QUOTE (tasp @ Mar 9 2006, 09:21 PM) Would...   Mar 10 2006, 11:09 AM
|- - Richard Trigaux   QUOTE (jmknapp @ Mar 10 2006, 12:09 PM) C...   Mar 10 2006, 12:29 PM
- - vexgizmo   James Oberg Chimes in: Let Us Drink from the Fou...   Mar 10 2006, 05:07 AM
|- - nprev   QUOTE (vexgizmo @ Mar 9 2006, 09:07 PM) J...   Mar 10 2006, 05:20 AM
|- - Richard Trigaux   QUOTE (vexgizmo @ Mar 10 2006, 06:07 AM) ...   Mar 10 2006, 09:25 AM
|- - ugordan   <PESSIMISM> IMHO, all this sudden talk about...   Mar 10 2006, 09:33 AM
|- - Richard Trigaux   QUOTE (ugordan @ Mar 10 2006, 10:33 AM) ...   Mar 10 2006, 10:15 AM
- - BruceMoomaw   They would if you kept 'em cold enough after c...   Mar 10 2006, 05:35 AM
- - BruceMoomaw   This has certainly put the cat among the pigeons w...   Mar 11 2006, 11:14 AM
|- - Bob Shaw   Oh, dear. Jason might not be very pleased by all t...   Mar 11 2006, 11:33 AM
|- - RGClark   QUOTE (Bob Shaw @ Mar 11 2006, 11:33 AM) ...   Mar 19 2006, 09:53 AM
- - paulanderson   There is an interesting finding noted in Emily...   Mar 19 2006, 01:26 AM
- - Richard Trigaux   Acetylene? interesting. This speaks in favour of ...   Mar 19 2006, 07:15 AM
|- - paulanderson   QUOTE (Richard Trigaux @ Mar 18 2006, 11...   Mar 19 2006, 11:38 PM
- - BruceMoomaw   Yeah, we've got a discussion of that going in ...   Mar 19 2006, 08:45 PM
- - Richard Trigaux   As I said, acetylene is an energized molecule, whi...   Mar 20 2006, 07:50 AM
- - edstrick   "If we are really sure that this acetylene is...   Mar 20 2006, 08:46 AM
|- - The Messenger   QUOTE (edstrick @ Mar 20 2006, 01:46 AM) ...   Mar 20 2006, 02:59 PM
|- - BruceMoomaw   QUOTE (edstrick @ Mar 20 2006, 08:46 AM) ...   Mar 20 2006, 06:07 PM
- - paulanderson   Does anyone have further info about the compositio...   Apr 2 2006, 08:15 AM
|- - volcanopele   QUOTE (paulanderson @ Apr 2 2006, 01:15 A...   Apr 3 2006, 05:12 PM
|- - ugordan   QUOTE (volcanopele @ Apr 3 2006, 06:12 PM...   Apr 3 2006, 05:36 PM
||- - volcanopele   QUOTE (ugordan @ Apr 3 2006, 10:36 AM) So...   Apr 3 2006, 05:53 PM
|- - paulanderson   QUOTE (volcanopele @ Apr 3 2006, 10:12 AM...   Apr 3 2006, 06:44 PM
|- - paulanderson   QUOTE (volcanopele @ Apr 3 2006, 10:12 AM...   Apr 4 2006, 07:18 PM
|- - volcanopele   QUOTE (paulanderson @ Apr 4 2006, 12:18 P...   Apr 4 2006, 07:57 PM
- - ljk4-1   Science/Astronomy: * Encore For Enceladus! Sa...   Apr 3 2006, 04:33 PM
|- - The Messenger   QUOTE (ljk4-1 @ Apr 3 2006, 10:33 AM...   Apr 3 2006, 05:23 PM
|- - volcanopele   QUOTE (ljk4-1 @ Apr 3 2006, 09:33 AM...   Apr 3 2006, 06:48 PM
- - dvandorn   Here's an offbeat question: Are the Enceladan...   Apr 3 2006, 05:54 PM
|- - ElkGroveDan   QUOTE (dvandorn @ Apr 3 2006, 05:54 PM) A...   Apr 3 2006, 06:00 PM
|- - ugordan   QUOTE (dvandorn @ Apr 3 2006, 06:54 PM) A...   Apr 3 2006, 06:07 PM
|- - Rob Pinnegar   QUOTE (ugordan @ Apr 3 2006, 11:07 AM) If...   Apr 4 2006, 08:24 PM
- - BruceMoomaw   I'm just waiting for a chance to get all the w...   Apr 5 2006, 12:05 AM
- - Myran   This is odd, and perhaps unrelated. But Saturns o...   Apr 6 2006, 07:22 PM
|- - volcanopele   QUOTE (Myran @ Apr 6 2006, 12:22 PM) But ...   Apr 6 2006, 10:27 PM
- - Myran   QUOTE volcanopele wrote: The color is related to t...   Apr 7 2006, 03:10 PM
- - BruceMoomaw   VERY interesting interview with the Enceladus rese...   Apr 10 2006, 12:34 PM
|- - Bob Shaw   Interesting graphic, too. The article went a littl...   Apr 10 2006, 02:13 PM
- - centsworth_II   Wouldn't the water pocket sit directly on the ...   Apr 10 2006, 03:47 PM
|- - The Messenger   QUOTE (centsworth_II @ Apr 10 2006, 09:47...   Apr 10 2006, 04:01 PM
||- - centsworth_II   QUOTE (The Messenger @ Apr 10 2006, 11:01...   Apr 10 2006, 04:08 PM
||- - The Messenger   QUOTE (centsworth_II @ Apr 10 2006, 10:08...   Apr 10 2006, 05:43 PM
||- - Richard Trigaux   QUOTE (The Messenger @ Apr 10 2006, 05:43...   Apr 10 2006, 06:29 PM
||- - The Messenger   QUOTE (Richard Trigaux @ Apr 10 2006, 12...   Apr 10 2006, 08:48 PM
||- - Richard Trigaux   QUOTE (The Messenger @ Apr 10 2006, 08:48...   Apr 10 2006, 10:14 PM
||- - Bob Shaw   Surely there are well-observed examples of water-i...   Apr 11 2006, 11:35 AM
||- - Richard Trigaux   QUOTE (Bob Shaw @ Apr 11 2006, 11:35 AM) ...   Apr 11 2006, 12:10 PM
||- - climber   QUOTE (Richard Trigaux @ Apr 11 2006, 02...   Apr 12 2006, 08:42 PM
||- - Bob Shaw   QUOTE (climber @ Apr 12 2006, 09:42 PM) I...   Apr 12 2006, 09:16 PM
|- - helvick   QUOTE (centsworth_II @ Apr 10 2006, 03:47...   Apr 10 2006, 04:04 PM
|- - Richard Trigaux   QUOTE (helvick @ Apr 10 2006, 04:04 PM) P...   Apr 10 2006, 05:17 PM
- - ljk4-1   Has anyone determined why the geysers are happenin...   Apr 10 2006, 06:46 PM
- - Richard Trigaux   The most likely explanation is about convection pa...   Apr 10 2006, 07:06 PM


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