There are quite a few so you need to give more details.
A comet is a ball of ice and dust that orbits the sun. As it gets closer to the sun, the heat and radiation from the sun cause the surface of the comet to be blown away, creating a tail that points away from the sun.
As Uranus orbits the sun, it rolls like a ball
an asteroid
Comet
Comet .
A ball of ice, dust, rocks, and gases is usually colled a, "Comet".
A comet is a ball of ice and dust that orbits the sun. As it gets closer to the sun, the heat and radiation from the sun cause the surface of the comet to be blown away, creating a tail that points away from the sun.
As Uranus orbits the sun, it rolls like a ball
an asteroid
A lump of ice, rock, frozen gas, and dust that orbits the sun is called an asteroid. This can be studied about in Astronomy.
a comet/meteorite
An object composed of dust, ice, and rock which orbits the Sun is called a comet.
Comet.
the sun is a big ball of gas
Comet
Asteroids, meteors, etc.
The particles of dust and ice that orbit the sun are called comets. They are small solar system bodies which when close enough to the sun, they display a temporary atmosphere.