Asteroid

A small rocky body orbiting the sun

Asteroid Belt

the region of the solar system between the orbits of mars and jupiter

Atmosphere

A force that pulls objects toward each other

Comet

A ball of frozen dust and rocks 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

a ball of hot gas,primarily hydrogen an helium that undergoes nuclear fusion.

Gravity

a force that pulls objects toward each other

Planets

a celestial body moving in an elliptival orbit around a star

moon

a natural objects that orbits a planet.

milky way

the galaxy containing the solar system

orbit

the path an object follows as it moves around another object.

revolution

The movement of an object around another object.

rotation

The spinning motion of a planet on its axis

solar system

The outer planets

star

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

terrestrial

the name of the inner planets

dwarf planet

a small body of matter form outer space that enters the earth atmosphere appearing as a streak of light

light year

a celestial body resemling a small planet but lacking certain technical criteria that are required for it to be classified as much.

kuiper belt

the distance light travels in one year

meteor

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

Universe

all of space and everything in it