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What is a geostationary satellite?
Geostationary is the moving orbit in the plane of the equator. Geostationary satellites are 22,300 miles above the Earths surface, and remain stationary at a fixed point. Weather and communication satellites are examples of geostationary satellites.
Does a satellite in a geostationary orbit move across the sky from east to west?
No. A geostationary satellite appears to be stationary in the sky, which means not moving. This is a big part of the reason why it is referred to as a geo'stationary' satellite.
What is a satellite for?
A geostationary satellite is an earth-orbiting satellite, placed at an altitude of approximately 35,800 kilometers (22,300 miles) directly over the equator, that revolves in the same direction the earth rotates (west to east). At this altitude, one orbit takes 24 hours, the same length of time as the earth requires to rotate once on its axis. The term geostationary comes from the fact that such a satellite appears nearly stationary in the sky as seen by a ground-based observer. In other words a satellite that orbits a specific part of the earth while the earth is rotating so it looks like the satellite doesn't move. For example if you put a satellite over over the geographic US it will stay over the US and turn with the earth around the axis without ever loosing site of the US.
Why is geostationary important?
A geostationary satellite is an earth-orbiting satellite, placed at an altitude of approximately 35,800 kilometers (22,300 miles) directly over the equator, that revolves in the same direction the earth rotates (west to east). At this altitude, one orbit takes 24 hours, the same length of time as the earth requires to rotate once on its axis. The term geostationary comes from the fact that such a satellite appears nearly stationary in the sky as seen by a ground-based observer. In other words a satellite that orbits a specific part of the earth while the earth is rotating so it looks like the satellite doesn't move. For example if you put a satellite over over the geographic US it will stay over the US and turn with the earth around the axis without ever loosing site of the US.
Why is the satellite part of the earth?
The Moon is the satellite of the earth
What is a geostation satellite?
Geostationary satellites orbit high above the surface of the earth at about 35,000km, directly above the equator. The take the same time to complete one orbit as the earths surface as it rotates meaning it is always above the same point on earth. They are used for TV and telephone signals as well as weather imagery, among other things. A satellites period, the time it takes it to go around the earth, is determined, in part, by its altitude. The further away it is then the longer it will take. You can calculate an altitude where it will take just one day to make an orbit. If this is done then though the satellite orbits the earth it appears to be stationary above one point of the earth. This orbit must be above, or very near to, the equator. For the earth this altitude is approximately 36,000 km (22,000 miles)
What is geostationary satellite?
A satellites period, the time it takes it to go around the earth, is determined, in part, by its altitude. The further away it is then the longer it will take. You can calculate an altitude where it will take just one day to make an orbit. If this is done then though the satellite orbits the earth it appears to be stationary above one point of the earth. This orbit must be above, or very near to, the equator. For the earth this altitude is approximately 36,000 km (22,000 miles)
Why must scientists carefully set the speed of a satellite orbiting earth?
If the final speed is not the exact speed required for a circular orbit, the satellite will travel in an ellipse around Earth; the time for one revolution, as well as the highest and lowest parts of the orbit, will be different from the expected values. This may, or may not, be relevant, depending on what the satellite is used for. For example, a satellite may be designed to pass over a certain part of Earth every 24 hours. If the orbit is wrong, the timing - as well as the part of Earth over which it moves - will be off.
Why do most of the part of the earth looks blue?
from a satellite the earth looks blue as it is the ocean! the ocean takes up to 80% of the world!
Would a satellite that relays television signals most likely be in Low Earth Obit or in Geosynchronous?
Most, if not all of them, are in geosynchronous orbit. If they weren't, the viewer would only be able to watch TV when the satellite was over that part of their hemisphere. (about 1/3 of the time)
What orbit is still in the outermost part of earth's atmosphere?
The outermost part of Earth's atmosphere is the exosphere, which extends from about 500 km to 10,000 km above the surface. Satellites in geostationary orbit, located at an altitude of about 35,786 km, are still within Earth's exosphere.
What happens to the laser light when it reaches the satellite in the ranging system?
When the laser light reaches the satellite in a ranging system, part of the light is reflected back towards the Earth. By measuring the time it takes for the light to travel to the satellite and back, the distance between the Earth station and the satellite can be calculated with high precision. This helps in monitoring the satellite's position and orbit.
