Galileo used a telescope to discover
A) spots on the sun.
B) craters on the moon.
C) moons around Jupiter.
D) moon-like phases of Venus.
E) all of these.

Question

Quizplus · Accepted Answer

Galileo's use of the telescope allowed him to make several astronomical discoveries, including spotting sunspots on the sun, observing craters on the moon, and identifying moons orbiting around Jupiter. He also noticed that Venus goes through moon-like phases, which is evidence for the heliocentric model of the solar system. Therefore, all of the given choices are correct.

Galileo Used a Telescope to Discover