Phases of the moon occur because
we can see only that part of the moon which reflects light towards us.
our distance from the moon keeps changing.
the shadow of the Earth covers only a part of the moon's surface.
the thickness of the moon's atmosphere is not constant.
C.
the shadow of the Earth covers only a part of the moon's surface.
The planet which is farthest from the Sun is __________.
Neptune
Which of the following is NOT a member of the solar system?
An asteroid
A satellite
A constellation
A comet
C.
A constellation