an object that orbits a planet; any object that orbits around another object in space

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

An object that orbits a star, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit.

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

A loose collection of ice and dust that orbits the sun, typically in a long, narrow orbit.

A pattern or grouping of stars that people imagine to represent a figure or object.

A model of the universe in which Earth is at the center of the revolving planets and stars.

A model of the solar system in which Earth and the other planets revolve around the sun

An oval shape, which may be elongated or nearly circular; the shape of the planets' orbits.