Question

What did Galileo identifying the moons of Jupiter establish?

A) The Earth revolves around the sun.
B) Not all heavenly bodies revolve only around the Earth.
C) The Ptolemaic model was correct.
D) Copernicus was incorrect about orbits being perfect circles.

Answer 1

A Galileo's discoveries about the Moon, Jupiter's moons, Venus, and sunspots supported the idea that the Sun - not the Earth - was the center of the Universe, as was commonly believed at the time. Galileo's work laid the foundation for today's modern space probes and telescopes.