The space between the orbits of Mars and Jupiter is occupied by a large number of celestial objects that revolve around the Sun. What are these small objects called?
Asteroids
There is a large space between the orbits of the planets - Mars and Jupiter. A large number of small celestial objects known as asteroids occupy this space. These revolve around the Sun just like planets. All these asteroids are collectively known as Asteroid Belt.
Apart from asteroids, comets also revolve around the Sun but they don't lie in the asteroid belt region.