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Tuesday, May 29, 2007

What is a geosynchronous orbit?

This is truly one of the great mysteries of the universe, well, not what it is, but rather how it works.

A geosynchronous orbit is where the satellite completes one revolution for every rotation of the body being orbited. In addition to this, they must both be moving in the same direction (counter-clockwise for the north, clockwise in the south. The reason for this has to do with the use of sun dials in the ancient world. In the north, the suns ecliptic is to the south, generally; in the south it is to the north, again generally. Near the equator people didn't care about the time, it is too hot to worry about such trivial matters. The location of the suns ecliptic caused sun dials in the north to move clockwise. In the south they also moved clockwise, but southern clockwise, which is currently referred to as counter clockwise. After the US civil war when the southerners were defeated the northern definition of clock wise was accepted as the standard). The other thing about the geosynchronous orbit is that it must be positioned over the equator. Otherwise it would be a longitudinalsynchronous orbit, and that name is just too long and hard to say.

So, how does it work? Simple, the phenomenon of "coyotus interruptus" and artificial intelligence. A comprehensive read on cartoon physics including coyotus interruptus can be found on wikipedia. The artificial intelligences make it possible for the satellites to want to be in orbit, but are designed that they are never able to realize that they should be falling. As a result they are in permanent orbit. It is rumored that China has been developing a militaristic 're-education' program for satellites under the code name "Wile E. Coyote" aimed at causing them to fall from the sky. As a result it is recommended that the equator be avoided when ever possible due to the possibility that you could be crushed by a satellite, in addition to the lack of drains working as a result of the suspension of the Coriolis effect at 0 degrees latitude.

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