Unit 7 Study Guide

A ____________ is made up of a star and the planets and other objects that revolves around a star.

A large, round body that revolves around a star is a ____________.

A small natural object that revolves around other objects is a _________.

________ are nearly round bodies whose orbits cross the orbits of other bodies.

________ are rock and iron objects that orbit the sun.

__________ are pieces of rock that break off of asteroids and travel through space.

A chunk of frozen gases, rock, ice, and dust

What is Astronomy?

_______ are huge balls of hot, glowing gases that produce their own heat.

What color of star is the hottest and brightest?