Which of These Statements Correctly Describes Why Copernicus Decided That

Multiple Choice

Which of these statements correctly describes why Copernicus decided that the orbits of Mercury and Venus are smaller than the orbit of Earth?

A) Both Mercury and Venus can sometimes be seen high in the sky at midnight.
B) Both Mercury and Venus show a complete cycle of phases, like the Moon.
C) Both Mercury and Venus stay fairly close to the Sun in the sky.
D) Both Mercury and Venus occasionally pass through conjunction with the Sun as seen from Earth.