Author Question: Galileo's observations of the complete set of the phases of Venus proved that: A) Venus orbited ... (Read 105 times)

Alygatorr01285 · **on:** Jul 27, 2018

Galileo's observations of the complete set of the phases of Venus proved that:

A) Venus orbited the Sun.
B) Venus orbited Earth.
C) Earth orbited Venus.
D) the Moon orbited Venus.

Question 2

Philosophers of the ancient world attempted to deduce truth about the Universe by reasoning from _____.

A) careful observations
B) geometric models
C) personal experience
D) first principles