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.