Asteroid

A small rocky body orbiting the sun.

Asteroid Belt

The region of the solar system between the obits of Mars and Jupiter

Atmosphere

A mixture of gasses that surrounds a planet or moon.

Comet

A ball of frozen dust and rock that orbits the sun and has a tail.

Crater

A large round pit caused by the impact of a meteoroid

Galaxy

A collection of stars, dust, and gas bound together by gravity

Gas Giant

The outer planets

Gravity

A force that pulls objects toward each other.

Planets

A celestial body moving in an elliptical

Moon

natural object that orbits a planet.

Milky way

The galaxy containing the solar system

Orbit

Revolution

Rotation

Solar System

Star

Terrestrial

Dwarf Planet

Light year

Kuiper Belt

Meteor

Universe