Galaxy "Edpuzzle"

What is the estimated range of galaxies in the universe?

• 200 to 300 billion

• 50 to 100 billion

• 300 to 400 billion

• 100 to 200 billion

How are galaxies formed?

What are the three main components of a spiral galaxy?

• Bulge, disc, halo

• Core, ring, arms

• Nucleus, cluster, field

• Center, spiral, outer layer

Which type of galaxy is known for having an oval shape and lacks a central bulge?

• Lenticular galaxy

• Elliptical galaxy

• Spiral galaxy

• Irregular galaxy

Which galaxy is mentioned as one of the largest in the observable universe?

• Milky Way

• IC1101

• Andromeda

• Triangulum

What percentage of galaxies are estimated to be irregular?

• 75%

• 50%

• 25%

• 10%