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Satellites

In which year...

Question

In which year was Sputnik 1 launched?

A

1957

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B

1975

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C

1950

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D

1948

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Solution

The correct option is A 1957
Sputnik 1 was the first artificial Earth satellite. The Soviet Union launched it into an elliptical low Earth orbit on 4 October 1957. It was a 58 cm diameter polished metal sphere, with four external radio antennae to broadcast radio pulses.

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