What type of galaxy is the Milky Way?

• Spiral

• Elliptical

• Irregular

• Lenticular

Explain the role of dark matter in galaxies.

Tags

Analyzing

The Milky Way is a member of the Local Group, a cluster of about ___ galaxies.

Tags

NGSS.MS-ESS1-2

Which galaxy is expected to merge with the Milky Way in about 3 billion years?

• Andromeda Galaxy

• Triangulum Galaxy

• NGC 5457

• NGC 5982

Describe the characteristics of elliptical galaxies.

Tags

Understanding

Most of the universe's mass is composed of ___ matter.

Tags

NGSS.HS-ESS1-2

What is the main difference between spiral and elliptical galaxies?

• Spiral galaxies have internal structure, elliptical do not

• Elliptical galaxies have more gas and dust

• Spiral galaxies contain only old stars

• Elliptical galaxies are always larger

What is the name of the galaxy that we live in?