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File:PIA00090.jpg ...ecently in geologic time, after the [[Copernicus]] impact but before the [[Tycho]] impact. The 42 km diameter crater and its ejecta are especially interesti(4,316 × 4,299 (1.23 MB)) - 19:41, 9 August 2008
File:PIA00090.jpg ...ecently in geologic time, after the [[Copernicus]] impact but before the [[Tycho]] impact. The 42 km diameter crater and its ejecta are especially interesti
(4,316 × 4,299 (1.23 MB)) - 19:41, 9 August 2008 |