Asteroid

A small rocky body orbiting the sun

Asteroid belt

The region of solor system between the orbits of Mars and Jupiter

Atmosphere

A mixture of gasses that surround 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 meteorite

Galaxy

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

Gas giant

The outer planets

Gravity

A force that pulls objects close to each other.

Planets

A celestial body moving in an elliptical orbit around a star.

moon

A natural objects that orbits the planets

Milky way

The galaxy containing the solar system.

Orbit

The path an object follows as it moves around an object.

Revolution

The movement of an object around another object

Rotation

The spinning motion of a planet on its axis

Solar system

The collection of 8 planets and there moon orbit around the sun

star

A ball of hot gas mainly hydrogen or helium

Terrestrial

The name of the inner planets

Dwarf planet

A celestial body resembling a small planet but lacking certain technical criteria.

Light year

The distance light travels in a year

Kuiper belt

A region of solar systems just beyond the orbit of Jupiter.

Meteor

A small body of matter from outer space that entars the earths atmosphere appearing as a streak of light.

Universe

All of space and everything in it