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23 March 2012

23 August 2011

  • curprev 17:4017:40, 23 August 2011Reinhart77 talk contribs 422 bytes +422 New page: {{sp header}}<onlyinclude>Large basin that covers 40% of the planet Mars. It would represent by far the largest impact basin known in the solar system. Its southern round edges is obscur...