Sun both revolve around its axis and around the world . World's rotation around its own axis as a result of the events of the day and night , with the rotation of the sun occur seasons . The moon like Earth rotates around its own axis and around the world as well as to the duration of the moon's rotation around its axis of rotation is equal to the world time and 27.3 days for the moon appears that only one surface of the Earth. In some cases, the Moon's shadow cone of full and half falls on Earth in this case, these places can not be the only sunlight and solar eclipses in these places. Months into the shadow cone of the world can not create and does not reflect light enters therefore not be seen .