Exploring Galaxies

What is a galaxy?

• A galaxy is a type of star.

• A galaxy is a massive system of stars, gas, dust, and dark matter bound by gravity.

• A galaxy is a collection of only dark matter.

• A galaxy is a small cluster of planets.

How many types of galaxies are there?

• Four types of galaxies

• Five types of galaxies

• Two types of galaxies

• Three types of galaxies

What is a spiral galaxy?

• A spiral galaxy is a galaxy with a flat, rotating disk and spiral arms.

• A spiral galaxy is a type of star cluster.

• A spiral galaxy is a galaxy that is completely spherical.

• A spiral galaxy is a galaxy with no defined structure.

Can you name a famous spiral galaxy?

• Andromeda

• Sombrero

• Whirlpool

• Milky Way

What is an elliptical galaxy?

• A galaxy that contains mostly gas and dust with no stars.

• An elliptical galaxy is a smooth, ellipsoidal-shaped galaxy with older stars and minimal star formation.

• A galaxy that is shaped like a perfect sphere with young stars.

• A spiral galaxy with a high rate of star formation.

What shape do irregular galaxies have?

• Irregular galaxies have no defined shape.

• Irregular galaxies are always spiral in shape.

• Irregular galaxies have a perfect circular shape.

• Irregular galaxies are shaped like a cube.

Which type of galaxy is the Milky Way?

• Irregular galaxy

• Lenticular galaxy

• Barred spiral galaxy

• Elliptical galaxy

What is the largest type of galaxy?

• Supergiant galaxy

• Dwarf galaxy

• Spiral galaxy

• Elliptical galaxy

Do galaxies move through space?

• Galaxies do not exist in space.

• Galaxies are stationary in space.

• Yes, galaxies move through space.

• Galaxies only move in circles.

What is the closest galaxy to Earth?

• Andromeda Galaxy

• Whirlpool Galaxy

• Triangulum Galaxy

• Milky Way Galaxy