Galileo observed several features using the telescope.Which one of the following did he not discover?
A)sunspots
B)phases of Venus
C)Jupiter's four largest moons
D)the two moons of Mars

Question

Quizplus · Accepted Answer

Galileo did not discover the two moons of Mars. In fact, it was not until nearly 200 years later that the moons of Mars were discovered by Asaph Hall in 1877. Galileo did, however, discover sunspots, the phases of Venus, and Jupiter's four largest moons.

Galileo Observed Several Features Using the Telescope