TEST: The Universe

What term describes a galaxy with no regular shape?

• Elliptical

• Spiral

• Irregular

• Globular

What is a large group of stars, gas, and dust held together by gravity known as?

• Nebula

• Milky Way

• Galaxy

• Star cluster

Which term refers to a dense cloud-like collection of gas and dust in space?

• Galaxy

• Nebula

• Star cluster

• Milky Way

What type of galaxy has a shape that resembles a pinwheel?

• Irregular

• Elliptical

• Spiral

• Globular

What are groups of stars within galaxies called?

• Nebulae

• Galaxies

• Star clusters

• Dust blocks

What is a galaxy?

• A system of millions of stars

• A single star with planets

• A space phenomenon with black holes

• A type of moon

What are the three basic shapes of galaxies?

• Spiral, Elliptical, Irregular

• Circular, Square, Triangular

• Oblong, Crescent, Spherical

• Rectangular, Cylindrical, Conical

What type of galaxy is the Milky Way?

• Irregular

• Elliptical

• Spiral

• Spherical

Which type of galaxy contains the oldest stars in the universe?

• Spiral

• Elliptical

• Irregular

• Lenticular

What is found in an irregular galaxy?

• Predominantly old stars

• Mostly gas and dust

• No stars or planets

• Only black holes