Spirit cleaner? |
Spirit cleaner? |
Jun 18 2007, 06:44 AM
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
I've been keeping an eye on the sundial images looking for signs of a cleaning event. I've noticed some changes in the latest to be downloaded although they may be due to changes in the lighting.
A : clean patch at top of circle streak at bottom B : increased contrast from dust left behind next to mirror C : clean patch next to wire Also note the missing clumps of dust on the deck A broader view show a contrast between sol 1221 and 1227 http://207.7.139.5/mars/spirit/navcam/2007...I4P0165L0M1.JPG http://207.7.139.5/mars/spirit/navcam/2007...00P1914L0M1.JPG Has anyone heard if there has been a change in the power levels? |
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Jul 19 2007, 05:11 PM
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Director of Galilean Photography Group: Members Posts: 896 Joined: 15-July 04 From: Austin, TX Member No.: 93 |
also, in the Viking picture you can see a rock face starting to emerge from the dune below the large rocks on the left.
-------------------- 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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Jul 19 2007, 10:33 PM
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#3
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Senior Member Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
also, in the Viking picture you can see a rock face starting to emerge from the dune below the large rocks on the left. Sorry, but this is just an illusion. Not a rock emerging, but rather a slump in the drift material immediately in front of and to the right of center of the big boulder (named "Big Joe"). As you saw it indeed, this slump was not present when Viking 1 landed and is a good proof that modification of the surface is currently active. It may have been caused by a "Marsquake", lander vibrations while working on the surface, loose soil... |
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