Sunday, November 11, 2012

ZEYYES -TWIN STS MISSIONS


The Spacelab-1 (SL-1) module in orbiter Columbia's payload bay during the STS-9 shuttle mission. The Spacelab-1 (SL-1) module in orbiter Columbia's payload bay during the STS-9 shuttle mission. 
Credit: NASA
Space Science
The space shuttle isn't just a mode of transport: It's a laboratory, too. There have been 22 Spacelab missions, or missions where science, astronomy, and physics have been studied inside a special module carried on the space shuttle.
Spacelab, a reusable laboratory built for use on space shuttle flights, allowed scientists to perform experiments inmicrogravity. Starting in 1983's Challenger missions, animals became a prime component of space science. On the STS-7 mission, the social activities of ant colonies in zero gravity were examined, and during STS-8, six rats were flown in the Animal Enclosure module to study animal behavior in space.
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