Galileo challenged the idea that objects in the heavens were perfect by .
A)inventing the telescope
B)proving Kepler's laws were correct
C)showing that heavy objects fall at the same rate as lighter objects
D)observing sunspots on the Sun and mountains on the Moon

Question

Quizplus · Accepted Answer

Galileo observed sunspots on the Sun and mountains on the Moon, which demonstrated that these celestial objects were not perfect and uniform as previously believed. The invention of the telescope and the confirmation of Kepler's laws also contributed to our understanding of the universe, but they were not directly related to challenging the idea of celestial perfection. Galileo's experiments with falling objects were important for the development of physics, but they did not directly challenge the idea of celestial perfection.

Galileo Challenged the Idea That Objects in the Heavens Were