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: 2429 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 19 2015, 03:53 AM
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Senior Member Group: Members Posts: 1044 Joined: 17-February 09 Member No.: 4605 |
The angle of repose for dunes on Mars should fall within the range for dry dune slip faces on Earth. The key variable would be the roundness of the basaltic particles.
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Dec 19 2015, 06:22 AM
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Senior Member Group: Members Posts: 2429 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
The angle of repose for dunes on Mars should fall within the range for dry dune slip faces on Earth. The key variable would be the roundness of the basaltic particles. Looks like we are seeing a more realistic indication of the slope (repose) angles at the edges of the algorithm's post Sadly MS ICE won't stitch the 1196 NavCam's for me, but Damia tweeted this rather spectacular rendition earlier today Edit Curiosity Mission Update from Lauren Edgar - Sols 1198-1199: Dune imaging and dumping the “Greenhorn” sample LINK QUOTE On Sol 1196 Curiosity drove an additional 33 m closer to the lee side of “Namib Dune.” The Mastcam images that we took earlier this week are coming down now, and they reveal a lot of great details about the dune morphology.
Although today is a weekend plan, we’re only planning 2 sols because Sunday is a soliday (a day without planning to allow Earth and Mars schedules to sync back up). The main activity on the first sol is dumping the “Greenhorn” post-sieve sample and then analyzing it with both MAHLI and APXS. But we managed to squeeze in a lot of additional science observations into the plan, including some ChemCam RMIs of targets named “Duineveld” and “Spitzkop” to study the grain size and morphology of different parts of the slipface, and Mastcam imaging of several targets for change detection. We’re also testing out some software for autonomous target selection, and using Mastcam and Navcam to monitor the atmosphere. We’ll be in the same location for a little while, so hopefully we’ll have the chance to observe some sand movement! |
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