What occur when moon comes between the sun and the earth?

Part that surrounds umbra is known as

Eclipses occur when the orbit of sun, moon and earth come in a

Seasons are caused because of

The motion of the top is an example of .

Imaginary line drawn through the center of the earth

The end points of the earth at North and south are called.

What occur when earth comes between the sun and the moon?

How many months each season has.

A leap year has ___________ days in February.