How long have we known about Jupiter?



  1. 0 Votes

    Actually, Galileo discovered Jupiter and three of it’s moons on January 7th, 1610. A bout a week later, he discovered a fourth moon. We’ve known about it for a while.

  2. 0 Votes

    Jupiter was discovered in 1610 by Galileo Galilei so we have know about it since then. 

  3. 0 Votes

    Galileo most certainly did NOT discover Jupiter. It has been known as long as humans could look into the skies. The Babylonians were the first (as far as we know) to recognize that planets, including Jupiter, were something different from stars. That was probably 3000 years or so before Galileo.

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