Comets are made mostly of ice.
Some comets are made of ice and dust.
Comets are made mainly from ice, with a slight mixture of small rocks and dust.
mostly ice
Comets are made mainly from ice, with a slight mixture of small rocks and dust.
Comets contain ice.
Comets.
Planetesimals made from ice and sometimes rock are called comets.
comets are made of rock and ice and some gases that warm up when thay come in to the inner sola systarm
comets are made of rock and ice and some gases that warm up when thay come in to the inner sola systarm
Ice, dust, gas, and maybe a few other substance particles.
Comets are mostly made up of ice. They usually have a metallic core high in nickel. The tail of a comet is actually the ice melting as it passes a heat source.