a celestial body moving in an elliptical orbit around a star

A large cloud of dust and gas in space

A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.

A collection of stars, dust, and gas bound together by gravity

A ball of frozen dust and rock that orbits the sun and has a tail that glows

A natural object that orbits a planet

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

Space and all the matter and energy in it

A group of stars that form a pattern in the sky

The spinning motion of a planet on its axis

The movement of an object around another object

The path of an object as it moves around another object in space

an imaginary line about which a body rotates