the collection of eight planets and their moons in orbit around the sun.

Asteroid

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

Asteroid belt

the name of the inner planets

atmosphere

a natural object that orbits a planet

comet

The Galaxy containing the solar system

crater

A small rocky body orbiting the sun

galaxy

A collection of star stuff and gas bounce together by gravity

gas giant

The distance light travels in one year

gravity

The movement of an object around another object

planets

A force that pulls objects towards each other

moon

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

milky way

A small body of matter from outer space that enters the Earth's atmosphere appearing as a strike of light

orbit

The springing movement of a planet on its axis

revolution

The mixture of gas that surrounds a planet or moon

rotation

a group of planets and other bodies that revolve around a star.

solar system

all of space and everything in it

star

A celestial body moving in an elliptical orbit around the stars.

terrestrial

the outer planets

dwarf planet

A ball of hot gas primarily hydrogen and helium that undergoes nuclear fusion

light year

The past an object follows as it moves around another object

kuiper belt

A region of the solar system that is just beyond the orbit of Neptune

meteor

everything. It includes all of space, and all the matter and energy that space contains

universe