How did Galileo conceptualize that the earth rotates around the sun and not the other way around?

1 Answer
chandramohanPanakkal
Mar 26, 2016

He observed two things with his small telescope.1 Moons of Jupiter orbits Jupiter 2 Venus have crescent phases.

Explanation:

Previously it was thought that the Earth is center of universe and everything goes round the earth
Crescententer image source here phases for Venus only possible if it is Sun centered universe( solar system)..
Picture credit Physics ucla edu.

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