Unmanned Spaceflight.com > All posts by a member| Posted on: Nov 26 2005, 09:23 PM | ||
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Newbie  Group: Members Posts: 2 Joined: 11-September 05 Member No.: 494 
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QUOTE (paulanderson @ Nov 23 2005, 09:59 PM) Here is a new pancam image from sol 671, with a closer view of more of the rock "warts" as I nicknamed them: [attachment=2496:attachment] http://marsrovers.jpl.nasa.gov/gallery/all...PTP2547L7M1.JPG Notably the two rocks in the lower left corner, one in the upper right corner, and one at top left with a larger "protrusion" on it. One of the ones in the lower right corner in particular has a nice tapering shadow beneath it. Whether from gas bubbles or ?, I still find these to be a curiosity.  My question is what is the little hole we are seeing?
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| Forum: Spirit · Post Preview: #28741 · Replies: 378 · Views: 241166 |
| Posted on: Oct 12 2005, 04:49 PM | |
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Newbie Group: Members Posts: 2 Joined: 11-September 05 Member No.: 494
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QUOTE (Richard Trigaux @ Oct 12 2005, 12:27 PM) It looks as if it was dug into... sand. As if the impact punched through a relatively thin layer of evaporites, into an underlying sand layer. Difficult to enter into such a place, except for two places on the west side. I've been lurking here for quite a while. I'm not a scientist by any stretch of the imagination. So my observations are not as educated as those by others here. Sometimes though a step back and look from not so educated eyes can bring to light some 'unseen' things. Is it possible that it isn't a crater at all? What about being a sinkhole? I don't have all the fancy tools you all have to process the images to look at height variation on the 'rim' to see if it is raised significantly or not. But is it possible that it is a sinkhole or collapsed caldera? If it is a crater and with the lack of ejecta maybe it's a matter of the ejecta is there just buried under the loose 'sand'. Obviously there is quite a bit of material moving in this area as seen with the 'Tour de Dunes'. |
| Forum: Opportunity · Post Preview: #23371 · Replies: 55 · Views: 57816 |
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