This photo released by NASA shows a view of Mars that was stitched together by images taken by NASA’s Viking Orbiter spacecraft. The space agency is planning to send a spacecraft simila

 

              This photo released by NASA shows a view of Mars that was stitched together by images taken by NASA’s Viking Orbiter spacecraft. The space agency is planning to send a spacecraft simila
This photo released by NASA shows a view of Mars that was stitched together by images taken by NASA’s Viking Orbiter spacecraft. The space agency is planning to send a spacecraft similar to the Curiosity rover to the red planet in 2020. A NASA-appointed team released a report on Tuesday, July 9, 2013 that described the mission’s science goals. (AP Photo/NASA)