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A Park In Space : according to the math worksheet
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What do they call the big Grass field on orbiting satellite?
A Park In Space : according to the math worksheet
What is a geostationary satellite State two uses of a geostationary satellite?
In order for a satellite to stay in space and not fall to earth, it has to move in orbit round the earth. Many satellites and the International Space Station are in low orbit and at that distance above the earth orbit the earth in a couple of hours or so. However, if the orbit is around 26000 miles up, then at that distance the time it takes for a satellite to freely orbit is exactly one day or 24 hours. This means that the satellite is always above the same spot on earth, as the earth also takes 24 hours to rotate. Thus, if we could see the satellite in the sky it would not move across the sky like the International Space Station but it would stay in the same place in the sky. This means that they can be used for communication - when you telephone, say, from Europe to the USA then the signals are received by these satellites, amplified and relayed across the world to the receiver of the call. As the satellites are in the same place in the sky all the time, you can call at any time of the night or day. However, if the satellite moved across the sky in low orbit you would only be able to use it when it was in the sky - in other words you could only telephone for a few minutes at a time and then have to wait until it was back in the sky again. Similarly, these satellites are used for navigation in sat-navs. As the satellite is always in the same point in the sky, it can work out your position at any time of the night or day. The term 'geostationary' comes from 'geo' meaning 'earth' (as in geo-graphy, geo-thermal etc) and 'stationary' - meaning not moving i.e. the satellite is 'not moving above earth'.
What are houses made of in the third world country?
i am from a third world country and i must say that housing here is not as different from developed countries in material as much as in architectural design. Materials are same, concrete, cement, sand, glass you name them. but if you travel into the rural areas, some houses are made of mud and grass. the walls are made from mud with grass thatched roofs. we call the 'huts'
Uses of artificial satellite?
it help support millitary activities 2-it help transfer telehone call over the ocean 4-they re used for exploring different planet 5-
How many satellites are there in space?
That depends on what you call a satellite. The correct use of the word simply means an object caught in earths orbit. If this is what you are looking for there are litterally tens of thousands of objects from small meteorites to lost tools and rocket stages floating in orbit. So much so that it is now becomming increasingly dangerous to put new vehicles in space as the debris orbits at around 17000 miles per hour. If man made satellites for communications is what you are searching for then thats difficult to gauge. It's unlikely that most countries will admit to placing spy satellites in space to the true figure is difficult to say, but The Goddard Space Flight Center's lists 2,271 satellites currently in orbit. Russia has the most satellites currently in orbit, with 1,324 satellites, followed by the U.S. with 658.
