asteroid

a small rocky body orbiting the sun

asteriod belt

the region of the solar system between mars and jupiter

atmosphere

a mixture of gasses that surrounds a planet

comet

a ball of frozen dust a rock that 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 towards eachother

planets

A celestial body moving in an elliptical orbit around a star

moon

a natural object 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

solar system

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

terrestrail

the inner planets

light year

the distance light travels in one year

dwarf planet

a celestial body resembling a small planet but lacking a certian technical criteria that is qualified to classify as a planet.

star

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

kupier belt

the region of out solar system that is beyond neptune

rotation

the spinning motion of a planet on its axis

meteor

a small body of matter in outer space that enters earths atmosphere appearing as a streak of light.

universe

all of space and everything in it.