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Mars Express Gets the Delta Blues

The remains of a delta have been found within this Martian crater.

ESA’s Mars Express orbiter has imaged yet more evidence of a watery past on Mars with what appears to be the remains of a river delta, seen here, located just within the 40-mile (65-km) -wide Eberswalde Crater.

Formed over 3.7 billion years ago, Eberswalde Crater was in the top 4 list of possible landing sites for the Mars Science Laboratory, slated to launch this November. In the end Gale Crater was selected, but Eberswalde is still a fascinating place to study from orbit since it’s been suspected that the crater was once filled with liquid water. The discovery of this delta sure helps to confirm that theory! Read the rest of this entry

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