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Mercury - Large Impacts Ring Twice
Posted on Saturday, August 27, 2011
Uploaded by
Waspie_Dwarf
Image credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington
Uploader comment: This image shows a double ring impact basin with a smaller, younger crater superimposed on its rim. Larger impacts, such as the one that created this basin, form ring structures instead of central peaks.
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