Exploring Space Ch.22, Sec. 2

3 terms by sciencehelper 

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Artificial satellite

any human-made object placed in orbit around a body in space

Geosynchronous orbit

an orbit in which a satellite travels at a speed that matches the rotational speed of the Earth exactly, keeping the satellite positioned above the same spot on Earth at all times

Low Earth orbit

an orbit located a few hundred kilometers above the Earth's surface

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