Martian Cartography |
Martian Cartography |
May 15 2006, 04:16 PM
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#1
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Member Group: Members Posts: 147 Joined: 14-April 06 From: Berlin Member No.: 744 |
I have recently freaked out a little bit about Martian maps of all sorts. And finally I was astonished with those highly detailed beauties that I list below. Nonetheless. some of them have huge inconsistencies (crater names) easily noticed when we compare the surroundings of Gusev crater. Enjoy:
http://www.ralphaeschliman.com/ http://planetologia.elte.hu/1cikkeke.phtml...arsmapinte.html http://pubs.usgs.gov/imap/i2782/ -------------------- |
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Feb 4 2009, 05:22 PM
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#2
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Solar System Cartographer Group: Members Posts: 10229 Joined: 5-April 05 From: Canada Member No.: 227 |
Here's the very beginning of Mars cartography. Who drew the first map of Mars? It wasn't Beer and Madler, as most sources seem to assume. It was William Herschel, in 1783. This is his map, compared with a map drawn in 1962 by the U. S. Air Force for NASA.
Herschel drew Mars over several weeks, observing all longitudes eventually. The small south polar cap was visible in every drawing. He conceived the idea of arranging the full disk images like flower petals, using the polar cap as a fixed central point, so he could see the global distribution of dark markings. In my illustration, his map (labelled A) shows that pattern, with an overlay of circles indicating the individual views which made up his set of observations. In his original, each circle is labelled with the date of observation. Map B is the USAF MEC-1 Prototype made by the Aeronautical Chart and Information Center in 1962 for NASA's Mars mission planning. I have removed the grid and placenames and reprojected it to match the south polar projection of Herschel's map. The shape of Sinus Meridiani and Sinus Sabaeus at left will be familiar to Mars viewers. The bulge above it is Syrtis Major, not as pointed as in the USAF map, and the triangle at the bottom is probably Lunae Lacus, or a confused combination of that and Margaritifer Sinus. The hook shape at the top is Thoth-Nepenthes. 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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