Phoenix - spring images, HiRISE views of Phoenix after the long, long winter |
Phoenix - spring images, HiRISE views of Phoenix after the long, long winter |
Oct 26 2009, 02:14 PM
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Solar System Cartographer Group: Members Posts: 10229 Joined: 5-April 05 From: Canada Member No.: 227 |
Doug just said in another thread that he was looking for Phoenix in the new images and couldn't find it. Well, I love a challenge. So here it is:
Close-up: (REMOVED - SEE LATER POST) Context: (REMOVED - SEE LATER POST) Note that map-projected HiRISE images at this latitude are in polar stereographic projection, not a cylindrical projection. North is at the left. You might not believe this, but by blinking layers like Clyde Tombaugh I think I can match numerous points, not just the hardware. EDIT: I was a bit off. Correct locations are shown below. 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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Jan 13 2010, 03:51 PM
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Director of Galilean Photography Group: Members Posts: 896 Joined: 15-July 04 From: Austin, TX Member No.: 93 |
Are there any thoughts on making a lander, or perhaps rover, winter-survivable? Larger batteries with an integrated cutoff at mid-charge to survive a freezing? Solar panel petals on the ground, a la Beagle?
-------------------- Space Enthusiast Richard Hendricks
-- "The engineers, as usual, made a tremendous fuss. Again as usual, they did the job in half the time they had dismissed as being absolutely impossible." --Rescue Party, Arthur C Clarke Mother Nature is the final inspector of all quality. |
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Jan 13 2010, 04:17 PM
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Senior Member Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
Are there any thoughts on making a lander, or perhaps rover, winter-survivable? Larger batteries with an integrated cutoff at mid-charge to survive a freezing? Solar panel petals on the ground, a la Beagle? Yes, that was already studied by NASA in the 70's and the Viking Lander was the perfect fit because it was relying for its energy source on RTG's of which the heat was able to be redirected internally to heat some electronics, batteries and components. They only chose not to land a Viking Lander near the poles i.e. (above 75°N), because they thought that the sample boom and collector head would have been unable to retrieve some samples from premafrost (i.e. soil intermixed with ice)... |
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