Pale Blue Dot: A Vision of the Human Future in Space

Why did ancient people believe there could not be any other planets beyond the ones they knew about?

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Asked by Cat on 07 Oct 03:24

Last updated by Cat on 07 Oct 03:25

1 Answers

Answered by Cat on 07 Oct 03:25

Ancient people believed that there could not be any other planets beyond the ones they knew about because with the five known planets, the moon, and the Sun, there were seven heavenly bodies, and seven was viewed as a perfect number.