Satellites

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by anietoro
Last updated 5 years ago

Discipline:
Science
Subject:
Astronomy

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Satellites

What is a satellite? A satellite is an object that moves around a larger object, like our Moon, that orbits Earth.There are two types of satellites: natural satellites, and artificial satellites.

Natural Satellites

Artificial Satellites

Satellites

A natural satellite, or moon, is a celestial body that orbits another body. They vary in size and shape: from Themisto (Jupiter), with only 8 km of diameter, to Titan (Saturn), with 5,150 km of diameter. There are 173 natural satellites in the Solar System.

An artificial satellite is an artificial object which has been intentionally launched into space to orbit Earth or a different celestial body. They are commonly used with researching, communication, and observation purposes. About 6,600 satellites have been launched. Of those, about 1,000 are operational; the rest have lived out their useful lives and are part of the space debris.

Works Citedhttp://en.wikipedia.org/wiki/Moons_of_Saturnhttp://en.wikipedia.org/wiki/Moons_of_Jupiterhttps://www.youtube.com/watch?v=dw_Y_gujBwUhttp://cosmoquest.org/forum/showthread.php?77812-Natural-Satellite-Formationhttp://en.wikipedia.org/wiki/Natural_satellitehttp://en.wikipedia.org/wiki/Satellitehttp://www.nasa.gov/audience/forstudents/k-4/stories/what-is-a-satellite-k4.html#.VDb8a_l5PZN

Sputnik 1 was the first man-made satellite. It was launched by the U.S.S.R. on October 04, 1957.


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