Phases of the moon occur because: (a) We can see only that part of the moon which reflects light towards us. (b) Our distance from the moon keeps changing. (c) the shadow of the Earth covers only a part of the moon^s surface. (d) the thickness of the moon^s atmosphere is not constant.
Phases of the moon occur because:
(a) We can see only that part of the moon which reflects light towards us.
(b) Our distance from the moon keeps changing.
(c) the shadow of the Earth covers only a part of the moon^s surface.
(d) the thickness of the moon^s atmosphere is not constant.