Unit 7 Study Guide

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

• Supernova

• Solar System

• Milky Way

• Planet

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

• Galaxy

• Supernova

• Moon

• Planet

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

• Galaxy

• Moon

• Planet

• Comet

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

• Planet

• Moon

• Dwarf Planet

• Antiplanet

________ are rock and iron objects that orbit the sun.

• Comet

• Meteor

• Dwarf Planet

• Asteroid

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

• Comet

• Moon

• Planet

• Meteoroid

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

• Asteroid

• Comet

• Meteor

• Planet

What is Astronomy?

• The study of life

• The study of planets

• The study of stars

• The study of space

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

• Planets

• Asteroids

• Stars

• Comets

What color of star is the hottest and brightest?

• Red

• Blue

• Teal

• Yellow