The West Valley Route |
The West Valley Route |
Mar 18 2009, 12:00 PM
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#1
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Senior Member Group: Moderator Posts: 4280 Joined: 19-April 05 From: .br at .es Member No.: 253 |
Here're the latest navcam pictures taken during sol 1850: http://nasa.exploratorium.edu/mars/spirit/navcam/2009-03-18/
Spirit is no longer stuck, but I think the attempt to go on top of HP via the NE path is finished and we are going to the West Valley. A pancam mosaic of the western route is planned for tosol. |
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Mar 22 2009, 05:25 PM
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#2
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The Poet Dude Group: Moderator Posts: 5551 Joined: 15-March 04 From: Kendal, Cumbria, UK Member No.: 60 |
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Mar 23 2009, 10:01 PM
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#3
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Member Group: Members Posts: 384 Joined: 4-January 07 Member No.: 1555 |
Whoah... that's one seriously interesting rock Spirit was just looking at... Agreed. From that single image, it appears to have rock inclusions as well as numerous holes (vesicles) in it. I wonder if it might represent an ejected chunk of highly vesicular impact melt, rather than of lava. Hard to say... -- HDP Don |
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Mar 24 2009, 12:18 AM
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#4
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Agreed. From that single image, it appears to have rock inclusions as well as numerous holes (vesicles) in it. I wonder if it might represent an ejected chunk of highly vesicular impact melt, rather than of lava. Hard to say... Especially since it has rather obvious layering, which happens to lie parallel to the ground right now. Likely a serendipitous attitude. The holes could be vesicles, or they could be remnants of inclusions that have either fallen out of the matrix or eroded out of it. The matrix is so highly eroded, especially in planes around its structural layering, that it's not easy to tell. Looking at the rock in the anaglyph, I dearly want to turn it on its side and look into the crevices, to see the actual thickness of the layering and to try and see if there is any constructional relationship (i.e., alternating hard and soft layers) that would account for the rather obvious layer peel-aways. -the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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