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Satellites
Part 1 of Paper
....ronic 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 stor.... Part 2 of Paper
....ways critical with machines whose sunward side may
be 300 degress hotter than the shaded part.
Once a satellite achieves orbit--that delicate condition in which the pull
of earth's gravity is matched by the outward fling of the crafts speed--
subtle pressures make it go astray. Solar flares make the satellite go
out of orbit. Wisps of outer atmosphere drag its speed. Like strands of
spiderweb, gravity feilds of the earth, moon, and sun tug at the orbiting
spacefarer. Even the sunshine's soft.... |
| Number of words: 482 - Approximate pages: 2 |
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