science vocab
asteriod
a small rocky body orbiting the sun
asteriod belt
a region of the solar system between mars and jupiter
atmosphere
a mixture of gasses that surrounds a planet
comet
a ball of frozen dust and rock that has a tail
crater
a large round pit caused by an 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 orbiting the sun
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
rotation
the spinning motion of a planet on its axis
solar system
a collection of eight planets and their moons in orbit around the sun