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Earth observations taken from shuttle orbiter Columbia
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STS073-727-045 (21 October 1995) --- Photographed by the astronauts aboard the Space Shuttle Columbia is this scene over Lake Powell. The lake was formed by the Glen Canyon Dam on the Colorado River. The vertical stabilizer of Columbia points northeastward. Navaho Mountain, northwest of the tail, according to NASA geologists, was formed by an intrusion of molten rock that uplifted older, layered rocks, then cooled, and has been exposed by erosion. The rest of the landscape is dominated by faulted layers of sandstone, shale, and limestone that were formed in shallow seas and great deserts 80 to 250 million years ago. These rocks of the Colorado Plateau were uplifted a few million years ago to be dissected by the meandering Colorado River, San Juan River, and their tributaries.
The Space Shuttle program was the United States government's manned launch vehicle program from 1981 to 2011, administered by NASA and officially beginning in 1972. The Space Shuttle system—composed of an orbiter launched with two reusable solid rocket boosters and a disposable external fuel tank— carried up to eight astronauts and up to 50,000 lb (23,000 kg) of payload into low Earth orbit (LEO). When its mission was complete, the orbiter would re-enter the Earth's atmosphere and lands as a glider. Although the concept had been explored since the late 1960s, the program formally commenced in 1972 and was the focus of NASA's manned operations after the final Apollo and Skylab flights in the mid-1970s. It started with the launch of the first shuttle Columbia on April 12, 1981, on STS-1. and finished with its last mission, STS-135 flown by Atlantis, in July 2011.
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