PAPER Topics

Start of Term Paper
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 ....

Middle of Term Paper
... by the jolt of lift-off, or dies in the inferno of a defective rocket blast, or is thrust into improper orbit. A few simply vanish into the immensity of space. When a satellite emerges from the rocket's protective shroud, radiotelemety regularly reports on its health to round-the-clock crews of ground controllers. They watch over the temperatures and voltages of the craft's electronic nervous system and other vital "organs", always 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 ...