Exploring Mt Sharp - The Dunes - Part 1: Bagnold Dunes, Site 51-53, Sol 1172-1273, November 24, 2015-March 6, 2016 |
Exploring Mt Sharp - The Dunes - Part 1: Bagnold Dunes, Site 51-53, Sol 1172-1273, November 24, 2015-March 6, 2016 |
Nov 23 2015, 12:41 PM
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Senior Member Group: Members Posts: 2428 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
Midnight Planets reporting that Curiosity moved approximately 46.2m SSE (161º) on Sol 1172. LINK Quick and Dirty L-NavCam using the 5 available frames (MS ICE), reduced ~10% to get within the UL limit
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Dec 17 2015, 08:27 AM
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Senior Member Group: Members Posts: 2085 Joined: 13-February 10 From: Ontario Member No.: 5221 |
Wow, what an angle! Earth dunes can never get that steep, can they? A rare reminder of the lower gravity on the red planet...
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Dec 17 2015, 03:03 PM
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#3
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Member Group: Members Posts: 128 Joined: 10-December 06 From: Atlanta Member No.: 1472 |
Wow, what an angle! Earth dunes can never get that steep, can they? A rare reminder of the lower gravity on the red planet... To the first approximation, the angle of repose is independent of the force of gravity (it cancels out). Now, this is not exactly true, as shown in this paper: http://onlinelibrary.wiley.com/doi/10.1029...003865/abstract . The actually measured the angle of repose of different materials in a "vomit comet" and saw some secondary effects. |
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