- They are in orbit around the sun and plants.
- The are made up of ice,rock,and metal.
- Comets are remnants from the cold,outer regions.
- Comet's orbits are elliptical.
- We see comets about every 20 years.
- Comets have three parts nucleus,coma,and a tail.
- We see comet's tails because the sunlight reflects off it.
- There is a comet named Chiron.
- Its not likely a comet will hit Earth.
- We do not no what a comet looks like in side.