Here are the descriptions matched with the appropriate types of small bodies in the solar system:
- The process of nuclear fusion causes this object to emit light. - Star
- Solar wind causes a tail-like appearance of this celestial body as it orbits the sun. - Comet
- A large object that orbits a star. - Planet
- Has enough mass to cause a round shape. - Planet (or Moon can also fit depending on context)
- Natural objects that orbit around a planet. - Moon
- A celestial body made of dust and ice among other substances. - Comet
- An object that has made contact with Earth's surface after traveling through space. - Meteorite
- An object made mostly of iron that exists in space. - Asteroid (not exclusively iron, but asteroids can contain metallic compositions)
- Small, rocky object that orbits the sun. - Asteroid
- An object that has entered Earth's atmosphere, usually referred to as a "shooting star". - Meteor
- This is a huge collection of stars amassed together. - Galaxy
If you would like any clarifications on these matches, feel free to ask!