View Full Version : Features on Mars Erased From Existence

2012-Apr-19, 09:00 PM
More proof that Mars is an ever-changing world: In 2010, the Mars Reconnaissance Orbiterís HiRISE camera spotted evidence that a boulder had rolled down an incline in a crater. The boulder left a visible track in the Martian regolith big enough to be spotted by MRO. But just one Martian year later, the tracks are [...]

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