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Essay Archive - Satellites
Satellites
Satellites orbit the earth doing our bidding in ways that enrich the lives of
almost all of us. Through electronic eyes from hundreds of miles overhead, they
lead prospectors to mineral deposits invisble on earth's surface. Relaying
communications at the speed of light, they shrink the planet until its most
distant people are only a split second apart. They beam world weather to our
living room TV and guide ships through storms. Swooping low over areas of
possible hostility, spies in the sky maintain a surveillance that helps keep
peace in a volatile world.
How many objects, exaclty, are orbiting out there? ....
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