Because of the inverse square law of gravity, an object close to the Earth's surface feels a greater pull than an object further away. This would mean an artificial satelite in an orbit near Earth would have to travel faster to remain in orbit. One further away would travel slower. Close to the earth, a satelite might complete an orbit in, for example, 90 minutes; but the earth rotates once on its axis in 24 hours. This would mean the satelite would always have to travel faster than the Earth spins. Too far away, and the satelite would take longer than a day to orbit the Earth - so the planet would spin faster than the satelite's orbit. For a geostationary satelite, it would need to be at just the right distance, in an orbit that keeps it at the same place as seen from the rotating Earth - orbiting as fast as the Earth is spinning.
Geostationary satelites get parked a little over 22,200 miles above the Earth's surface and in orbits the same direction as the Earth spins - and are thus useful for communication and weather functions.
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Yes. That's why there's one installed aboard every GPS satellite.
The faster satellite appears to overtake another satellite when observed from Earth. This is because the faster satellite covers a greater distance in the same amount of time, causing it to catch up to and pass the slower satellite.
Satellite pictures are taken through the satellite and sent to Earth via satellite waves.
An essential subject complement is one that is necessary for the sentence to convey a complete thought. It provides essential information about the subject, such as identity, condition, or classification. Without an essential subject complement, the sentence may be incomplete or unclear.
If you have no coverage from your mobile service providers. On the ocean it should be essential when you are sailing around the world. Or in the OZ bush.
Depends on overall condition, bodystyle, engine, transmission, etc.
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A note is an operating procedure practice or condition that is essential to EMPHASIZE. This is the answer for the M9 service pistol operator training for NKO.
Yes, there are indoor antennas designed specifically for satellite reception. These antennas can capture signals from satellites for services like satellite television or internet. They are typically compact and can be installed inside a home, although they may require a clear line of sight to the satellite for optimal performance. However, it's essential to check compatibility with your satellite service provider before purchase.
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A Toshiba Satellite Pro laptop will normally cost the buyer around $500. All depending on what the buyer plans to buy with it, and in what condition they plan to buy.
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Satellite Internet is generally just as secure as cable or DSL Internet service. Having good virus protection is essential for any computer.
Yes. That's why there's one installed aboard every GPS satellite.
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