Quiz on Galaxies and the Universe

What are galaxies made of?

• Only stars

• Gas, dust, and millions of stars

• Only gas and dust

• Only planets

Which galaxy type has a central bulge and spiral arms?

• Elliptical

• Irregular

• Spiral

• Globular

What is the Milky Way classified as?

• Elliptical galaxy

• Irregular galaxy

• Spiral galaxy

• Globular cluster

Which type of galaxy looks like a snowball?

• Spiral

• Elliptical

• Irregular

• Nebula

What is a nebula?

• A group of stars

• A large cloud of gas and dust

• A type of galaxy

• A black hole

Where are open clusters usually found?

• In the central bulge of a galaxy

• In the arms of a spiral galaxy

• Near elliptical galaxies

• In globular clusters

What are quasars?

• A type of star

• Starlike sources of light that are very far away

• A type of nebula

• A type of galaxy

What do scientists think causes quasars?

• Nebulas

• Black holes

• Open clusters

• Globular clusters

What is the study of the origin and evolution of the universe called?

• Astronomy

• Cosmology

• Geology

• Astrology

What does the big bang theory explain?

• The formation of stars

• The expansion of the universe

• The creation of black holes

• The formation of planets