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As of 2014, the U.S. space program has lost two shuttle missions, with a loss of 14 astronauts' lives. The two lost shuttles were the Columbia, in 2003, and the Challenger in 1986. According to Space.com, the Columbia wa... More »

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According to the California Institute of Technology, a NASA space shuttle, by itself, weighed 165,000 pounds. When the weight of the external tank, the two solid rocket boosters and the fuel was included, the total weigh... More »

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Two space shuttles have blown up. The Space Shuttle Challenger blew up in 1986 less than a minute and a half after launch. In 2003, the Space Shuttle Columbia exploded upon re-entry. In both accidents, all crew members d... More »

www.reference.com Science Astronomy Space Travel
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Typical orbital paths for space shuttle missions covered regions between 57 degrees north and 57 degrees south of the equator and altitudes of between 155 and 600 miles depending on the mission profile. Orbital speeds we... More »

www.reference.com Science Astronomy Space Travel

NASA has operated six space shuttles, beginning with the prototype orbiter, which was flown in Earth's atmosphere during landing and flight tests. Two of the shuttles, Columbia and Challenger, were lost in accidents, and... More »

www.reference.com Science Astronomy Space Travel

Two space shuttles have blown up. The Space Shuttle Challenger blew up in 1986 less than a minute and a half after launch. In 2003, the Space Shuttle Columbia exploded upon re-entry. In both accidents, all crew members d... More »

www.reference.com Science Astronomy Space Travel

Skylab was an experimental space station designed to study the effects that living and working in space for extended periods would have on astronauts. Skylab also conducted nearly 300 experiments that provided scientists... More »

www.reference.com Science Astronomy Space Travel