In early 1610, who discovered with his newly invented telescope that Jupiter has four
moons?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Galileo Galilei.
- Galileo Galilei invented an early microscope and a predecessor to the thermometer.
- He is renowned for his discoveries: he was the first to report telescopic observations of the mountains on the moon, the moons of Jupiter, the phases of Venus, and the rings of Saturn.