1. France
  2. USSR
  3. Germany
  4. USA
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1 Answers

Option 2 : USSR

The correct answer is USSR.

  • On October 4, 1957, the Soviet Union/USSR sent the first artificial satellite 'Sputnik-1' into space.
  • The satellite was able to complete the orbiter of the Earth in 96.2 minutes at a speed of 29000 kilometres per hour.
  • At the time of launch, it weighed around 83.6 kg. Its diameter was 58 cm.
  • Sputnik was made like a metal ball and had four antennas.
  • Sputnik-1 was giving signals of 20.005 and 40.002 MHz.
  • Sputnik-1, which signals to radio operators around the world, stopped working in just 21 days.
  • On 26 October 1957, it stopped working due to its battery running out.
  • The Sputnik 1 spacecraft was the first artificial satellite successfully placed in orbit around the Earth and was launched from Baikonur Cosmodrome at Tyuratam (370 km southwest of the small town of Baikonur) in Kazakhstan, then part of the former Soviet Union.
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