Touchdown: NASA rover lands on Mars after harrowing plunge
Mars Curiosity
Gabe Salas, of Rockledge, Fla., and Gloria Lloyd, of Chapel Hill, N.C. post to facebook as they watch NASA's Mars Curiosity rover land on Mars during a special viewing event at the U.S. Space and Rocket Center Monday, August 6, 2012 in Huntsville, Ala. (AP Photo/The Huntsville Times, Eric Schultz)






