Space: In January 1610 Galileo Galilei discovered four "stars"…

Question

Did you know? In January 1610 Galileo Galilei discovered four "stars" around Jupiter with his new telescope. Within days he realised they were moons — Io, Europa, Ganymede and Callisto. It was the first evidence that not everything orbits Earth. The Catholic Church found that heretical; Galileo was later convicted.

Accepted Answer

In January 1610 Galileo Galilei discovered four "stars" around Jupiter with his new telescope. Within days he realised they were moons — Io, Europa, Ganymede and Callisto. It was the first evidence that not everything orbits Earth. The Catholic Church found that heretical; Galileo was later convicted.

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