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Pasadena, CA – NASA’s most advanced mobile robotic laboratory, which will examine one of the most intriguing areas on Mars, is in final preparations for a launch from Florida’s Space Coast at 10:25am EST (7:25am PST) on November 25th.
The Mars Science Laboratory mission will carry Curiosity, a rover with more scientific capability than any ever sent to another planet. The rover is now sitting atop an Atlas V rocket awaiting liftoff from Cape Canaveral Air Force Station.
“Preparations are on track for launching at our first opportunity,” said Pete Theisinger, Mars Science Laboratory project manager at NASA’s Jet Propulsion Laboratory in Pasadena, Calif. “If weather or other factors prevent launching then, we have more opportunities through December 18th.”
Scheduled to land on the Red Planet in August 2012, the one-ton rover will examine Gale Crater during a nearly two-year prime mission. Curiosity will land near the base of a layered mountain 3 miles (5 kilometers) high inside the crater. The rover will investigate whether environmental conditions ever have been favorable for development of microbial life and preserved evidence of those conditions.
“Gale gives us a superb opportunity to test multiple potentially habitable environments and the context to understand a very long record of early environmental evolution of the planet,” said John Grotzinger, project scientist for the Mars Science Laboratory at the California Institute of Technology in Pasadena. “The portion of the crater where Curiosity will land has an alluvial fan likely formed by water-carried sediments. Layers at the base of the mountain contain clays and sulfates, both known to form in water.”
Curiosity is twice as long and five times as heavy as earlier Mars rovers Spirit and Opportunity. The rover will carry a set of 10 science instruments weighing 15 times as much as its predecessors’ science payloads.
A mast extending to 7 feet (2.1 meters) above ground provides height for cameras and a laser-firing instrument to study targets from a distance. Instruments on a 7-foot-long (2.1-meter-long) arm will study targets up close. Analytical instruments inside the rover will determine the composition of rock and soil samples acquired with the arm’s powdering drill and scoop. Other instruments will characterize the environment, including the weather and natural radiation that will affect future human missions.
“Mars Science Laboratory builds upon the improved understanding about Mars gained from current and recent missions,” said Doug McCuistion, director of the Mars Exploration Program at NASA Headquarters in Washington. “This mission advances technologies and science that will move us toward missions to return samples from, and eventually send humans to, Mars.”
The mission is challenging and risky. Because Curiosity is too heavy to use an air-bag cushioned touchdown, the mission will use a new landing method, with a rocket-powered descent stage lowering the rover on a tether like a kind of sky-crane.
The mission will pioneer precision landing methods during the spacecraft’s crucial dive through Mars’ atmosphere next August to place the rover onto a smaller landing target than any previously for a Mars mission. The target inside Gale Crater is 12.4 miles (20 kilometers) by 15.5 miles (25 kilometers). Rough terrain just outside that area would have disqualified the landing site without the improved precision.
No mission to Mars since the Viking landers in the 1970s has sought a direct answer to the question of whether life has existed on Mars. Curiosity is not designed to answer that question by itself, but its investigations for evidence about prerequisites for life will steer potential future missions toward answers.
The mission is managed by JPL for NASA’s Science Mission Directorate in Washington. Curiosity was designed, developed and assembled at JPL. Launch management for the mission is the responsibility of NASA’s Launch Services Program at the Kennedy Space Center in Florida. NASA’s Space Network, managed by the Goddard Space Flight Center in Greenbelt, Md., will provide space communications services for the rocket. NASA’s international Deep Space Network will provide MSL spacecraft acquisition and communication throughout the mission.
For more information, visit: http://www.nasa.gov/msl and http://mars.jpl.nasa.gov/msl . You can also follow the mission on Facebook at http://www.facebook.com/marscuriosity and on Twitter at http://www.twitter.com/marscuriosity .
NASA Television Launch Coverage
On Friday, November 25th, NASA Television coverage of the launch will begin at 8:00am EST (5:00am PST) and conclude after spacecraft separation from the Atlas V occurs 53 minutes, 49 seconds after launch. Live launch coverage will be carried on all NASA Television channels.
A post-launch news conference will be held at the Kennedy press site approximately 2 ½ hours after launch.
Launch coverage also will be available on local amateur VHF radio frequency 146.940 MHz broadcast within Brevard County.
The Mars Science Laboratory news conferences, briefings and launch will be streamed live on Ustream at http://www.ustream.tv/nasajpl.
NASA Web Coverage
Extensive prelaunch and launch day coverage of the liftoff of the Mars Science Laboratory spacecraft aboard an Atlas V rocket will be available on NASA’s home page on the Internet at: http://www.nasa.gov.
Live countdown coverage through NASA’s Launch Blog begins at 8:00am EST (5:00am PST) on Friday, November 25th. Coverage features live updates as countdown milestones occur, as well as streaming video clips highlighting launch preparations and liftoff.
About NASA’s Jet Propulsion Laboratory
NASA’s Jet Propulsion Laboratory, Pasadena, CA, a division of the California Institute of Technology, manages the Mars Science Laboratory mission. Launch management is the responsibility of NASA’s Launch Services Program at the Kennedy Space Center in Florida. The Atlas V launch service is provided by United Launch Alliance, Denver.
TopicsCalifornia Institute of Technology, Cape Canaveral Air Force Station, Gale Crater, Mars Exploration Program, NASA, NASA Television, NASA's Deep Space Network, NASA's Mars Science Laboratory Mission, NASA's Opportunity Rover, NASA's Spirit Rover, Ustream
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