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Free! |
Jun 4 2005, 06:21 PM
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#1
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
This event deserves its own thread.
To quote the illustrious Dr. King -- "Free at last, free at last, thank God Almighty, we're free at last! So, how much y'all want to bet we'll stay here for a few sols, looking very carefully at the tracks and waiting for the MER Team to figure out how to proceed from here? -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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Jun 8 2005, 04:10 PM
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#2
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Member Group: Members Posts: 578 Joined: 5-November 04 From: Denmark Member No.: 107 |
QUOTE (sranderson @ Jun 8 2005, 04:07 PM) Here: http://www.unmannedspaceflight.com/index.p...ype=post&id=635 -------------------- "I want to make as many people as possible feel like they are part of this adventure. We are going to give everybody a sense of what exploring the surface of another world is really like"
- Steven Squyres |
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Jun 8 2005, 05:51 PM
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#3
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Junior Member Group: Members Posts: 71 Joined: 11-May 05 From: Colorado USA Member No.: 386 |
QUOTE (dot.dk @ Jun 8 2005, 10:10 AM) That's great. Thanks. My suspicion is that the lighter colored dunes are windblown fine dust eroded from the brighter areas of "etched" rock. If you hit the light colored areas in a dune field, watch out. But the brighter colored "etched" areas are likely to be more rocky (they define rims of craters and do not appear to have dune-like striations). Interdune areas are scoured out (relatively) and should consist of a harder surface. Lee sides of dunes should be softer than windward (they are composed of "fall" dust; windward sides are composed of driven dust). Lee sides should also be somewhat steeper than windward. What I really wonder about are the slopes of Victoria. They are dark and duneless and are elevated above the surrounding plain. I would assume that they are hard-pan pavement with most dust blown away. The dunes between where we are now and Victoria, based on their shadows, could be 4 times the size of the ones we are in. They are likely large rolling dunes with smaller dune crests and structures on them that cannot be seen in the orbital images. Scott |
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