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What satellites launched in 1957 alarmed the US into speeding up plans for its space program?

The Sputnik satellites were the first sucessful satellites, launched by the Soviets in the 50's.


In 1929 what Russian predicted satellites would surround earth?

In 1929, Russian scientist Konstantin Tsiolkovsky predicted that artificial satellites would one day be able to orbit the Earth. This idea eventually became reality with the launch of the first artificial satellite, Sputnik 1, in 1957.


Does Saturn have any artificial satellites?

A natural satellite is a moon. Saturn has sixty-two known moons, fifty-three of which actually have official names. There are hundreds of smaller objects that make up Saturn's rings. Saturn's moon Titan is larger than the planet Mercury, and is the second largest moon in the solar system.


Why are satellites launched into a easterly direction?

Most satellites are launched to the east to utilize the earth's rotation as an extra propelling force. The earth is rotating in a counter-clockwise direction when viewed from the North Pole (from west to east), and when we launch our satellites east we take advantage of this momentum (angular momentum) from the earth's rotation. In effect, a rocket sitting still on the launch pad at Cape Canaveral is ALREADY GOING EAST, at about 800 miles per hour! On the other hand, if we launch them westward, the satellites will have to fight against the angular momentum of the earth's rotation, which means more power is needed to break through the earth's atmosphere. As many of us might not have noticed, we are moving at a breathtaking speed just by standing still (about 1000miles/hour at the equator, and decreasing with increasing latitude) when viewed from outer space. Launching our satellites eastward will harvest this power and save on fuel cost, and in space shuttle terms, that's a lot of money! However, not ALL satellites are launched to the east; some are launched to the south. Some relatively small percentage of satellites are launched into polar orbits so that they orbit the Earth from south to north, and then north to south. The Earth spins west to east, so that the effective ground path of the satellite is covers the Earth like a ball of twine. American satellites launched into polar orbits are often launched from Vandenberg AFB in California, where a launch to the south keeps the rocket over water for several thousand miles.


How many satellites do you need for a GPS to find your position on earth?

There are 24 satellites in the United States GPS system that are active. There are 6 more that are "asleep" and saving power until they are activated to replace one of the 24 satellites that has to be taken off line for maintenance, damage, and so forth.The Russians also have roughly that number of satellites in their GLONASS system.Europe is deploying satellites in its Galileo positioning system.Japan has or will launch its first satellite in its QTZZ positiong system.There are also about 4 satellites in WAAS, the Wide Area Augmentation System that makes GPS more accurate. Europe's version of this is EGNOS, or European Geostationary Overlay Service. It has 4 or 5 satellites.

Related Questions

Can you give us information on the launching of Indian Satellites?

I haven't get the correct names of the satellites that Indian Government is going to launch but i know they go to launch satellites regarding "GLOBAL POSITIONING SYSTEM". The Government is going to launch around 7 satellites by 2010. The Indian Government wants to develope its own GPS. Now the GPS is under the control of U.S.Government,it has around 20 satellites of its own. The Russian Government has around 24 satellites.


How are satellites numbered?

Usually in order of their launch.


Can moons be satellites?

Yes. "Moons" are _natural_ satellites, as opposed to the artificial satellites that we build here on Earth and launch into space on rockets.


What was the first satellite launch by India in 1957?

India didn't launch any satellites in 1957


How is a space shuttle used in a satellite launch?

Generally space shuttles are not used to launch satellites as it is very costly to launch a space shuttle. Rockets with automated systems place satellites in orbit as opposed to a manned shuttle.


Why satellites launched from sriharikota in india?

because it is place to launch


What US Companies have the ability to launch satellites in to space?

SpaceX


Where is the place of launch of artificial satellites in India?

andhra pradesh


Why satellites launched in east side?

Satellites are launched in east direction to use earths rotational velocity and to reduce launch energy.


Names of series of american satellites launched in earth?

You can not launch a satellite "in" earth or indeed "into" the Earth. To launch a satellite you need a rocket.


What are the capabilities of China's space program?

Astronauts Operates Satellites Sounding Rockets capable Recoverable Biological Sounding Rockets capable Launch capable Multiple Satellites Launch capable Operates Extraterrestrial Probe Recoverable Satellites capable Manned Spaceflight capable Spacewalk capable


What modern technologies are needed so that you can launch and use satellites?

toe rag