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

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

Imaginary line drawn through the center of the earth

The earth completes its revolution in

How many seasons are caused because of earth's inclination.

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

After _______ years and _______ days only solar and lunar eclipses recur in the same sequence and in the same manner.

The path in which the earth revolves round the sun is called .