geology of Gale Crater and Mount Sharp |
geology of Gale Crater and Mount Sharp |
Jun 21 2014, 01:49 PM
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Junior Member Group: Members Posts: 33 Joined: 16-June 14 From: Sweet Home, Oregon Member No.: 7202 |
The idea that the Lower Formation of Mt. Sharp is of lacustrine origin (lakebed sediments) has rather fallen out of favor recently, but I just finished my essay on Mars, "An Interpretation of the Geology of Gale Crater & Mount Sharp, with Implications for the History & Habitability of Mars," which I have spent over one year researching and writing, and the primary thrust of this paper is to offer a fresh defense of the lacustrine model, incorporating some fairly original ideas on my part. I'm not a professional scientist, but this is a labor of love that springs from a near-lifelong interest in Mars (since I was a young boy in the 1960s). And I'm trying to publicize it prior to Curiosity reaching Mt. Sharp, as that will be a test of my theories, and I'm hoping to get some recognition if I'm right. So here's the link for all interested readers: http://galecratergeology1.tumblr.com/post/...le-crater-mount
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Jun 29 2014, 06:40 PM
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Senior Member Group: Members Posts: 1643 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
I can point here to my post in another thread, where the brightness and color of Martian sky is simulated considering both Rayleigh scattering from the air molecules and Mie scattering from typical amounts of dust. Here it does look salmon/gray when one is away from the horizon and the sun. I haven't actually looked on a color diagram with some of the pixel values yet though.
http://www.unmannedspaceflight.com/index.p...mp;#entry206891 A back of the envelope calculation suggests the scattering from the dust aerosols would be roughly 16 times as much as the scattering from the gas part of the atmosphere in the darkest parts of the sky. I'm assuming aerosol optical depth is 0.2 on my envelope. -------------------- Steve [ my home page and planetary maps page ]
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