Galaxies 8.9B

What is our solar system primarily made up of?

• A single star and other objects bound by gravity

• Multiple stars and no planets

• Only planets and moons

• Just dust particles

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

How many stars does the Milky Way galaxy contain?

• 1,000 stars

• 200-400 billion stars

• 1 trillion stars

• 100 million stars

Tags

NGSS.MS-ESS1-3

What is the main topic of the document?

• Planets

• Galaxies

• Stars

• Moons

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What are the three main categories of galaxies?

• Spiral, Circular, Irregular

• Spiral, Elliptical, Irregular

• Circular, Elliptical, Regular

• Spiral, Elliptical, Regular

Which type of galaxy is the Milky Way?

• Elliptical

• Irregular

• Spiral

• Circular

What is a common feature of irregular galaxies?

• They have a regular shape.

• They contain many old stars.

• They are typically smaller than other galaxies.

• They have a bulge in the center.

What is the shape of the Milky Way galaxy?

• Circular

• Bar-shaped

• Triangular

• Square

Which of the following is a main spiral arm of the Milky Way?

• Orion Arm

• Sagittarius Arm

• Perseus Arm

• Outer Arm

What is the Milky Way galaxy often referred to as?

• A barred spiral galaxy

• An elliptical galaxy

• An irregular galaxy

• A lenticular galaxy

Which arm is closest to the center of the Milky Way?

• Perseus Arm

• Scutum-Centaurus Arm

• Orion Arm

• Sagittarius Arm