Bye Bye Blueberries |
Bye Bye Blueberries |
Oct 24 2005, 03:25 PM
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Member Group: Members Posts: 252 Joined: 27-April 05 Member No.: 365 |
According to Steve Squyres' latest journal entry, Opportunity is now seeing virtually -no- blueberries in the surface matrix anymore.
"...On top of that, Opportunity has stumbled onto something really new and different lately... the blueberries seem to be gone!..." And a theory: "But one possible guess at this point is that we have moved "up section" in geologic terms -- to rocks that are higher up in this stack of layered sediments -- and that the rocks at this level never experienced the concretion-forming process. It's an interesting hypothesis with interesting implications, and it's also one that could explain a few other odd things we've been thinking about ever since Eagle crater" Looks like Oppy will stop for some intense IDD work in the next day or so. |
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Oct 29 2005, 05:52 AM
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Senior Member Group: Members Posts: 2228 Joined: 1-December 04 From: Marble Falls, Texas, USA Member No.: 116 |
I don't know, Bill. It really is curious that we haven't learned more about the interesting, dark cobbles. I think SS mentioned in a previous update that they weren't meteorites, but that was it. I really would have expected there to be more investigation of them, especially some of the larger ones Opportunity has passed by.
All I can guess is that they figured out what they are in the initial investigation a while back, and they decided to only tell us what they are not. If they are from that apparently darker layer, we should learn more when Opportunity gets to the rim. If the dust storm doesn't interfere, that could be within the week. -------------------- ...Tom
I'm not a Space Fan, I'm a Space Exploration Enthusiast. |
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