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Geostationary satellites are typically positioned at an altitude of about 36,000 km. However polar satellites are typically positioned at an altitude of about 850 km, in order that they circle the earth each 100 minutes or so.
The primary polar satellite tv for pc was launched on February 24, 1996 by nationwide aeronautic and area administration (NASA). This was the second satellite tv for pc to be launched below world geospace science challenge. TIDE/PSI investigation is a vital perform of the polar satellite tv for pc.
The principle function of a polar satellite tv for pc is to gather info on radiation and different atmospheric risks. When a satellite tv for pc flies within the higher ambiance, there are possibilities that the satellite tv for pc’s devices will be broken by solar’s dangerous radiation.
Polar satellites make use of each seen gentle and infrared (IR) radiations to make measurements of temperature and humidity within the earth’s ambiance. Polar satellites additionally support to document floor water and sea water temperatures, and monitor cloud cowl and water/ice boundaries. Polar satellites are in a position to obtain, measure, course of, and retransmit information from balloons, buoys, and distant automated stations distributed across the globe. These satellites can also carry search and rescue transponders to assist find downed airplanes or ships in misery.
Polar satellites make antarctic ozone stage measurements, and long-term environmental measurements used to assist world local weather change research. Polar satellites are additionally known as low earth orbits (LEO). The polar satellite tv for pc can view solely the poles or a restricted space on the earth on the similar time. A particular polar orbit that crosses the equator and every of the latitudes on the similar time on a regular basis is known as a sun-synchronous orbit satellite tv for pc.
