Galaxies and the Universe Review

In what Galaxy is Earth located?

• Andromeda

• Milky Way

• Sagittarius

• Snickers

Where in the Milky way galaxy is the solar system?

• In the center.

• On the very outer edge.

• On one of the arms, About 1/2 of the way out from the center.

• We do not know.

What type of galaxy is this?

• Elliptical

• Spiral

• Irregular

• Circular

Tags

NGSS.MS-ESS1-2

What type of galaxy is shown in the image?

• Elliptical

• Spiral

• Irregular

• Circular

What is thought to be at the center of many galaxies?

• Larger stars

• blackholes

• A massive planet

• A smaller galaxy

This part of a galaxy holds most of the galaxies mass and is where we find globular clusters

• Thick Disk

• Bulge

• Halo

• Thin Disk

What varies in a variable star?

• Mass

• distance

• magnitude

• composition

Why are Variable Stars so useful?

• They can be used to determine age

• They can be used to determine mass

• They can be used to determine size

• They can be used to determine distance

What is the difference between population I and population II stars

• population II are older and metal poor

• Population II are found in disks

• Population II are younger

• Population II have more solar systems

Tags

NGSS.HS-ESS1-3

Based on its position, how is the Sun classified?

• Population I
• Population II
• Population III
• Population IV