They'll make a comet; at least according to the old--and now discredited--theory of comets. The link will tell you more.
An object composed of dust, ice, and rock which orbits the Sun is called a comet.
Rock, Ice, Dust
Saturn's rings are made of dust, ice, and rock.
comet babe
Comets are made mainly from ice, with a slight mixture of small rocks and dust.
Rock, metals, ice and dust.
Small bits of ice and rock.
A lump of ice, rock, frozen gas, and dust that orbits the sun is called an asteroid. This can be studied about in Astronomy.
Its a comet because a comet sheds off ice and dust in the shape of a tail
The Ice in the Artic is saltwater Ice from the Artic Sea!!!
Dust, rock fragments and ice.
Saturn's rings are made of dust, ice, and rock.