Click the arrow to watch the NASA video, "Seven Minutes of Terror."
Tonight is the moment of truth for the NASA Mars Science Laboratory.
Shortly after 10:00 PM EDT, the vehicle will enter the Martian atmosphere and attempt to place the Curiosity rover on the surface in Gale Crater.
The Mars Science Laboratory launches on November 26, 2011 from Launch Complex 41 at Cape Canaveral Air Force Station.
UPDATE August 6, 2012 — The Curiosity has landed.
Below is one of the first photos transmitted by Curiosity: