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GPS Satellite

Guide to Space

How Satellites Work

28 Jan , 2011 by Matt Williams

[/caption] In 1957, the Soviet Union launched the world’s first satellite, known as Sputnik. This changed the course of world history and led the United States, their chief rival in the Space Race, to mount a massive effort of its own to put manned craft in orbit and land a man on the moon. Since […]

artificial satellite, satellite
GPS Satellite

Guide to Space

How Satellites Stay in Orbit

28 Jan , 2011 by Matt Williams

[/caption] An artificial satellite is a marvel of technology and engineering. The only thing comparable to the feat in technological terms is the scientific know-how that goes into placing, and keeping, one in orbit around the Earth. Just consider what scientists need to understand in order to make this happen: first, there’s gravity, then a […]

artificial satellite, orbit, Satellites

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