The time taken by the Moon to circle the sky once and return to ...

[vicotolentino]

The time taken by the Moon to circle the sky once and return to the same position among the stars is known as the Moon's _____.
 
  A) synodic period
  B) annular period
  C) sidereal period
  D) ecliptic period

Question 2

Which of the following is true of ancient astronomers?
 
  A) They believed that each star could be part of only one constellation.
  B) They believed that the sky was a great sphere surrounding Earth.
  C) They believed that Earth revolved around the Sun.
  D) They believed that stars were scattered through space at different distances.

[nmyers]

Answer to Question 1

C

Answer to Question 2

B

[vicotolentino]

Excellent

[jordangronback]

Gracias!