I don't know much about space weathering. I guess I can check
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送交者: steven 于 2007-12-04, 00:39:24:
回答: Steven 对这个帖子有什么见解？ 由 caldera 于 2007-12-03, 19:53:21:
the impact craters since 94, I doubt if I can find anything convincing either way.
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