Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Nov 21, 2011
As the launch of NASA's Mars Science Laboratory draws nearer, scientists provide a general overview of what's known about the Red Planet, and what we hope to learn with the Curiosity rover. MSL is now scheduled to liftoff from the Cape Canaveral Air Force Station on Nov. 26.