Endeavour Drive - Drivability analysis |
Endeavour Drive - Drivability analysis |
Sep 18 2008, 11:05 AM
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#1
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Founder Group: Chairman Posts: 14448 Joined: 8-February 04 Member No.: 1 |
http://www.sciencefriday.com/program/archives/200809191
You can listen via NPR, or via one of the web feeds that are listed on the site, but make sure you do listen if you can. |
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Sep 21 2008, 09:02 PM
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#2
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Solar System Cartographer Group: Members Posts: 10256 Joined: 5-April 05 From: Canada Member No.: 227 |
Here's a comparison of textures, all at 100% from the IAS viewer provided on the HiRISE site. It's not at all useful to view the images at lower resolution.
The top three show places we know. At Vostok it was still possible to drive diagonally across the drifts. At Purgatory the only possible route was parallel to the crests, or zig-zagging around individual drifts, quite slowly. Below that are various areas at the same scale as the first row. East of Victoria is a huge band of big drifts. It's not practical to try to drive eastwards through them. At low resolution it looks like the crests are E-W, but they aren't - those are a different scale of massive mounds superimposed on the drifts, like Purgatory itself. The E-W band of outcrop shown on the low-res map linked to above is actually very bad - huge drifts cover much of it. It is not a highway leading east. The best plan is to run south through the smaller drifts. HiRISE lets one map them out very easily, and clumps of bigger drifts can be avoided very easily. By the time we get to that mini-Endurance crater the surface is much smoother and from then on it looks easy (within the existing HiRISE coverage). Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Sep 22 2008, 02:44 AM
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#3
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Member Group: Admin Posts: 978 Joined: 29-September 06 From: Pasadena, CA - USA Member No.: 1200 |
Here's a comparison of textures, all at 100% from the IAS viewer provided on the HiRISE site. It's not at all useful to view the images at lower resolution. ... This is excellent. Thanks to you all who contributed so far. It will take me a few days to digest all this. I will keep you posted. Paolo -------------------- Disclaimer: all opinions, ideas and information included here are my own,and should not be intended to represent opinion or policy of my employer.
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