Astronomy Picture of the DayEach day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.Shadow of a Martian Robot- (Found June 29, 2008 ) Shadow of a Martian Robot Credit: Mars Exploration Rover Mission, JPL, NASA Explanation: What if you saw your shadow on Mars and it wasn't human Then you might be the Opportunity rover currently exploring Mars. Opportunity and sister robot Spirit have been probing the red planet since early 2004, finding evidence of ancient water, and sending breathtaking images across the inner Solar System. Pictured above, Opportunity looks opposite the Sun into Endurance Crater and sees its own.http://antwrp.gsfc.nasa.gov/apod/ap080629.html |