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Media Detail

National Aeronautics and Space Administration
John F. Kennedy Space Center
Kennedy Space Center, Florida 32899
FOR RELEASE: 11/17/2011
PHOTO NO: KSC-2011-7837
Open Image KSC-2011-7837

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No copyright protection is asserted for this photograph. If a recognizable person appears in this photograph, use for commercial purposes may infringe a right of privacy or publicity. It may not be used to state or imply the endorsement by NASA employees of a commercial product, process or service, or used in any other manner that might mislead. Accordingly, it is requested that if this photograph is used in advertising and other commercial promotion, layout and copy be submitted to NASA prior to release.

PHOTO CREDIT:   NASA or National Aeronautics and Space Administration

CAPE CANAVERAL, Fla. -- Employees gathered one level above monitor the progress of the protective mesh container known as the "gorilla cage," holding the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, as it is lifted near the top of the Atlas V rocket in the Vertical Integration Facility at Space Launch Complex 41. The generator will be installed on the MSL spacecraft, encapsulated within the payload fairing. The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat produced by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Heat emitted by the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Dimitri Gerondidakis

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