August 29, 2007, HiRISE release |
August 29, 2007, HiRISE release |
Guest_AlexBlackwell_* |
Aug 29 2007, 07:15 PM
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#1
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Guests |
August 29, 2007, HiRISE release
Interesting new image of the Arsia Mons pit. The polar pit gullies image is pretty good, too. |
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Aug 31 2007, 04:33 AM
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#2
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Merciless Robot Group: Admin Posts: 8783 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Just on the principle of dropping a rock into a mineshaft & counting the seconds until you hear the echo, would LOVE to do a precision ranging radar/lidar pass over these holes for even an approximate depth estimation...wouldn't it be interesting if some were deep enough to have estimated bottom atmospheric pressures >= 20mb, which IIRC is the minimum threshold for maintaining liquid water at average Martian equatorial temps...
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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