Subject:
GeographyAuthor:
edwardporterCreated:
1 year agoAnswer:
An Artificial Satellite is a people-made machine that orbits a variety of other objects in space. Many Artificial Satellites orbit the Earth to gather information about the universe, to predict the weather, to help with the navigation of ships and planes, to assist in telephone calls over the ocean, to observe the Earth, and as a tool to improve military activities. Though Artificial Satellites have mostly orbited Earth, some have orbited the moon, the sun, asteroids, Venus, Mars and Jupiter; these satellites mostly study the body around which they're orbiting. As a satellite is any object that orbits another, Artificial Satellites are people-made.
Artificial satellites differ from natural satellites, natural objects that orbit a planet. Earth's moon is a natural satellite. The Soviet Union launched the first artificial satellite, Sputnik 1, in 1957. Since then, the United States and about 40 other countries have developed, launched, and operated satellites. Today about 3000 useful satellites and 6,000 pieces of space junk are orbiting Erath.
Author:
jeffery9ofh
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An artificial satellite is an object that people have made and launched into orbit using rockets. There are currently over 3,000 active satellites orbiting the Earth.
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cha chahudson
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