The shortest shadow cast by a vertical object on the ground always falls in the direction.

Solar eclipse occurs on a …

Small objects revolving around sun like planets are called …

The biggest of all planets in solar system is

… is self luminous.

An object which comes from outer space and burns and falls on earth producing crator is

The Pole Star does not change its position with respect to earth because

The natural satellite of earth is

The number of planets in solar system

Lunar eclipse occurs on

… is called red planet.

… is nearest star to earth.

The first artificial satellite is

Earth rotates from

When the moon completely covers the sun as seen from the earth is known as …