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A debate in Meridiani Planum

Emily Lakdawalla • December 24, 2005

There was a big news splash about two articles that appeared in Nature about Mars Exploration Rover Opportunity's landing site. The articles suggest two theories for the formation of the layered sulfur-rich deposits at Meridiani Planum that do not involve standing liquid water.

An opportunity for Spirit to see Earth and Venus together?

Emily Lakdawalla • September 26, 2005

I received the following question by email last week: "Do you know if the Mars rovers team has any plans to photograph Venus and Earth together in the evening sky from either rover site? They will be closest together around Sept. 29th."

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