How long does it take for the moon to orbit the earth once?
A. 26.3 days
B. 27.3 days
C. 28.3 days
D. 30.3 days
How long does it take for the moon to orbit the earth once?
How long does it take for the moon to orbit the earth once?
A. 26.3 days
B. 27.3 days
C. 28.3 days
D. 30.3 days