Содержание
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Satellites.
Satellites.
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Satellite-is an object, which has been placed into orbit by human endeavor.
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Satellites:
Natural Artificial
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Natural satellites:
The Moon. The Phobos and the Deimos.
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Artificial satellites.
Sputnik 1. Explorer 1
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The first artificial satellite was Sputnik 1.
It was launched by the Soviet Union on the 4th of October 1957.
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A few hundred satellites and thousand of unused satellites are orbiting the Earth.
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Purposes:
Military observation Communication Navigation Weather forecast Researches
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Made by Rusakova Katya and Loginova Nastya Thank you for attention!
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