Mars Science Laboratory landing site location was an elliptical area . Gale Crater's diameter is . The landing location for the rover was less than from the center of the planned landing ellipse, after a journey. NASA named the rover landing site Bradbury Landing on sol , August 22, 2012. According to NASA, an estimated 20,000 to 40,000 heat-resistant bacterial spores were on "Curiosity" at launch, and as much as 1,000 times that number may not have been counted. Mars Science Laboratory Mars Science Laboratory (MSL) is a robotic space probe mission to Mars launched by NASA on November 26, 2011, which successfully
Spirit (rover) to attempt to regain contact until May 24, 2011, when NASA announced that efforts to communicate with the unresponsive rover had ended, calling the mission complete. A formal farewell took place at NASA headquarters after the 2011 Memorial Day holiday and was televised on NASA TV. The Jet Propulsion Laboratory (JPL), a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover project for NASA's Office of Space Science, Washington. The primary surface mission for "Spirit" was planned to last at least 90 sols. The mission received several extensions and lasted about 2,208 sols. On August