Why do constellations in the night sky change from season to season? Choose the two correct answers.

A.
Earth revolves around the sun.

B.
Different constellations appear at different times of year.

C.
When constellations are on the other side of the sun, we can’t see them.

D.
Constellations appear to shift in a eastward direction.

E.
Constellations revolve around the sun.