Astronomy Quiz

A large object in space that is made of gas and produces its own light.

A rocky or metallic object that orbits the sun and is much smaller than a planet. A belt of these can be found between Mars and Jupiter.

A system of planets and other bodies that orbits a star.

A natural object that orbits a planet; a natural satellite.

A system that contains many stars, star systems, and objects orbiting stars. Ours is spiral shaped and called The Milky Way.

Gas giants are far from the Sun and very far from each other. They have many moons and rings.

The motion of one object around another object; orbit. On Earth, this causes a year or 365 days.

An object made of mostly frozen gases that melt into a “tail” as it gets closer to the sun.

Half of Earth; Northern/Southern or Eastern/Western.

The turning of an object on its axis. On Earth, this causes a day or 24 hours.