Author Question: Which of these observations of Galileo refuted Ptolemy's epicycles? A) the complete cycle of ... (Read 57 times)

LaDunn · **on:** Jul 27, 2018

Which of these observations of Galileo refuted Ptolemy's epicycles?

A) the complete cycle of Venus' phases
B) the rotation of sunspots across the Sun's surface
C) the revolution of Jupiter's moons around it
D) the craters on the Moon
E) the visibility of many more stars with the telescope

Question 2

Over the course of a night, Polaris moves less than any other visible star in the sky.

Indicate whether the statement is true or false