Name the country which launched the first Satellite “Sputnik”

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Name the country which launched the first Satellite “Sputnik” into the space.

1. United States of America
2. Soviet Union
3. Japan
4. England

Correct Option: B

Sputnik 1 was the first artificial Earth satellite. It was a 585 mm diameter polished metal sphere, with four external radio antennae to broadcast radio pulses. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957.