__________ is the hottest planet.

___________ are heavenly bodies which produce their own heat and light.

All the eight planets of the solar system revolve around the sun in elliptical paths known as ________.

Some small pieces of rocks and dust revolve around the sun are called _____________.

____________ are called shooting stars.

__________ give out an enormous amount of heat and light.

_________ is a small celestial body revolving around a planet.

__________ is called the Blue Planet.

The vast space containing all the celestial bodies is called __________.

_________ are called heavenly bodies.