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It makes us know if there is a meteor coming or to where the earth is.
Columbia
A UFO? Because we don't know what it is and it is coming from space, to earth, and returning to space.
Friction with the atmosphere counter acts the pull of gravity.
The Shuttle experienced temperature swings between the day/night terminator of between +140° C and -140° C. All Earth orbital satellites are also tested to those temperature extremes prior to launch.
250 degrees F (121C) in the sun and -250F (-157C) in the shade.
Space Shuttle Atlantis.
Weightlessness
Weightlessness
Weightlessness
You can not see the space shuttle on Earth, but you can see it in a rocket!
yes because the earth is slowly being polluted the sun is slowly coming towards the earth causing the earth temperature to change