3D shape, cartography, and geoid of Comet 67P C-G |
3D shape, cartography, and geoid of Comet 67P C-G |
Aug 6 2014, 02:11 PM
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#1
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Solar System Cartographer Group: Members Posts: 10227 Joined: 5-April 05 From: Canada Member No.: 227 |
Explorer 1 said:
"A 2D map of C-G seems like a tough order; the projection math alone..." Don't worry! If you can put a grid on the surface (as we have seen already), you can warp that grid into any map projection you like. Mapping will be no huge problem - in fact I expect they have a rough one already (I've been playing with one myself). 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 3 2014, 12:42 AM
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#2
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Senior Member Group: Members Posts: 1075 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 |
What I would like to see is an image of the comet surrounded with short arrows pointing in the "down" direction.
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Sep 3 2014, 01:20 AM
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#3
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Member Group: Members Posts: 267 Joined: 5-February 06 Member No.: 675 |
What I would like to see is an image of the comet surrounded with short arrows pointing in the "down" direction. A similar result would be obtained by color coding a map of the comet to show height in reference to the "geoid”. The colors would quickly show which regions of the comet were uphill or downhill from each other. Of course, the shape of 67P C-G's geoid will be interesting in itself – and something of a chore to compute. |
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