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A satellite is any object that orbits another object (which is known as its primary). All masses that are part of the solar system, including the Earth, are satellites either of the Sun, or satellites of those objects, such as the Moon.

Definition of a Satellite


It is not always a simple matter to decide which is the "satellite" in a pair of bodies. Because all objects with mass are affected by gravity, the motion of the primary object is also affected by the satellite. If two objects are sufficiently similar in mass, they are generally referred to as a binary system rather than a primary object and satellite; an extreme example is the 'double asteroid' 90 Antiope. The general criterion for an object to be a satellite is that the center of mass of the two objects is inside the primary object.

In popular usage, the term satellite normally refers to an artificial satellite, which would be a man-made object that orbits the Earth (or another body). However, scientists may also use the term to refer to natural satellites, or moons. In general word usage, "natural satellite" is the term used to refer to moons.

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@frankie1882 That was my line of thinking which is why I have comcast cable but my folks got the satellite and I never have a problem
DrRenee (DrRenee) Wed, 30 Dec 2009 17:59:27 -0000
@frankie1882 That was my line of thinking which is why I have comcast cable but my folks got the satellite and I never have a problem
@mstiefvater if you have cable/satellite and if you have history international they have a documentary on Arthurian Legends today.
hilly_wa (Hillary) Wed, 30 Dec 2009 17:11:46 -0000
@mstiefvater if you have cable/satellite and if you have history international they have a documentary on Arthurian Legends today.
Fox News Channel (FNC) is a major American-based Cable News and satellite news channel owned by the Fox http://bit.ly/2dDWb7
wikirage (wikirage) Wed, 30 Dec 2009 15:20:26 -0000
Fox News Channel (FNC) is a major American-based Cable News and satellite news channel owned by the Fox http://bit.ly/2dDWb7
Is it the end of FREE, over the air TV ? : http://tiny.cc/KDUv4 Broadcast stations turning to cable and satellite to increase revenue.
SatHookup (SatHookup) Wed, 30 Dec 2009 14:43:03 -0000
Is it the end of FREE, over the air TV ? : http://tiny.cc/KDUv4 Broadcast stations turning to cable and satellite to increase revenue.
Fox News Channel (FNC) is a major American-based Cable News and satellite news channel owned by the Fox http://bit.ly/2dDWb7
wikirage6 (wikirage6) Wed, 30 Dec 2009 14:20:22 -0000
Fox News Channel (FNC) is a major American-based Cable News and satellite news channel owned by the Fox http://bit.ly/2dDWb7
2010 is the year of 3D! Satellite cable provider DirecTV has a new satellite in the air and one of the 200 new HD... http://bit.ly/5cJ29M
Big_Georges (Big Georges) Wed, 30 Dec 2009 13:50:32 -0000
2010 is the year of 3D! Satellite cable provider DirecTV has a new satellite in the air and one of the 200 new HD... http://bit.ly/5cJ29M

 
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National Cable Television Center - Education, training and research about cable telecommunications and the history of the American cable industry and its pioneers.

Northwest Community Television - Year-by-year history of the local Minnesota cable network from 1982 to present.

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