Celestial Body Vocabulary

A piece of rock that is smaller than an asteroid

• Meteoroid

• Meteorite

• Asteroid

• Comet

A meteoroid that has entered earth’s atmosphere

• Meteoroid

• Meteor

• Asteroid

• Galaxy

A meteor that has landed on space

• Meteoroid

• Meteor

• Meteorite

• Comet

A large piece of space rock that does not have a regular shape and revolves around the sun.

• Comet

• Asteroid

• Dwarf planet

• Meteoroid

A space body that is made up of dust, ice, and space particles

• Dwarf planet

• Planet

• Comet

• Meteoroid

A celestial body that revolves around the sun, similar to a planet, but has not cleared its orbit of most other celestial bodies.

• Star

• Dwarf planet

• Asteroid

• Sun

A celestial body made of gas that produce their own gas and energy.

• Star

• Dwarf planet

• Galaxy

• Universe

The only star in our solar system in which earth and the other planets revolve

• Star

• Jupiter

• Galaxy

• Sun

A very large grouping of stars, planets, gas and dust

• Universe

• Star

• Comet

• Galaxy

Everything that exists everywhere, including all matter and energy

• Galaxy

• Universe

• Star

• Sun