You wouldn't want to live without satellites! (You wouldn't want to--)
by Graham, Ian, 1953- (Author)
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A satellite is a small object traveling around something bigger. The Moon is a natural satellite of Earth. A spacecraft launched into orbit around Earth is an artificial satellite. Since Sputnik-1, about 6,000 more satellites have been launched by 40 countries. Nearly 4,000 are still in orbit, and a... Full description
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