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1 April, 21:26

The former soviet union launched the first artificial earth satellite. What is the name of this satelitte?

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  1. 1 April, 21:33
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    Sputnik I.

    Explanation:

    The Soviet Union (former) launched the first artificial earth satellite called Sputnik I on October 4, 1957.

    It had a diameter of 58 cm and it weighed 83.6 kg. It had an orbital period of 5880 seconds around the earth. It orbited the 11 weeks (officially 3 weeks but then, its battery died and it orbited for 8 weeks before falling back into the earth's atmosphere).
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