The bright heavenly body with a long luminous tail is called-

Among the planets of the solar system, the one which has the longest period of rotation is-

Comets revolve around-

Which one among the following planets is the biggest in size?

The planet which takes the least time to complete its revolution is-

Huge congregations of stars that are held together by the force of gravity are known as-

The only star in the solar system is-

Year Is longest on-

Super Nova is-

The path of a planet around the sun is called-