The world's first artificial satellite is?
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Experts answer:October 4, 1957. The Soviet Union announced the world's first successful operation of a satellite around the earth orbit. U.S. officials claim that they not only because of the Soviet Union successfully launched the first satellite was shocked, but also the large size of the satellite was surprised. To weigh 83 kg, than the United States prepared to launch at the beginning of the satellite re-Seoul 8 times. The Soviet Union announced that the satellite sphere diameter of 55 cm, around the globe take 1 hour and 35 minutes, maximum height above the ground is 900 km, with two channels to send signals continuously. And equatorial orbit into the 65 degree angle, so it can be twice a day in Moscow over the pass. The Soviet Union launched the satellite on the rocket did not do a detailed report, but mentioned that it is speed of 8 km per second off the ground. They said the launch interplanetary voyage opened the road.
Experts answer:October 4, 1957. The Soviet Union announced the world's first successful operation of a satellite around the earth orbit. U.S. officials claim that they not only because of the Soviet Union successfully launched the first satellite was shocked, but also the large size of the satellite was surprised. To weigh 83 kg, than the United States prepared to launch at the beginning of the satellite re-Seoul 8 times. The Soviet Union announced that the satellite sphere diameter of 55 cm, around the globe take 1 hour and 35 minutes, maximum height above the ground is 900 km, with two channels to send signals continuously. And equatorial orbit into the 65 degree angle, so it can be twice a day in Moscow over the pass. The Soviet Union launched the satellite on the rocket did not do a detailed report, but mentioned that it is speed of 8 km per second off the ground. They said the launch interplanetary voyage opened the road.
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