14.3 - Galaxies have different sizes and shapes

What is the name of the galaxy our solar system is in?

• NCG3745

• Andromeda

• Milky Way

How are galaxies held together?

• By stars

• By gravity

• By black holes

• By planets

Tags

NGSS.HS-PS2-4

What is the Milky Way shaped like?

• a disk

• a circle

• a square

• a triangle

Why cannot we not see the center of the Milky Way galazy?

• Because it is too far

• Because there is no center

• Because it is hidden by dust

• We can clearly see the center of the galaxy

How big is the Milky Way galaxy?

• 5 billion light years in diameter

• 100,000 light years in diameter

• 3,000,000,000 light years in diameter

• 2 light years in diameter

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What can be found in the Milky Way galazy?

• stars

• planets

• dust

• gas

Tags

NGSS.MS-ESS1-2

How long does the Sun take to orbit the galaxy once?

• 5 years

• 100 million years

• 250 million years

• 3 billion years

Tags

NGSS.HS-ESS1-4

How can galaxies differ from each other?

• size

• shape

• both size and shape

What are the three main types of galaxies?

• Spiral

• Elliptical

• Irregular

• Mega

What type of galaxy is the Milky Way galaxy?

• Spiral

• Elliptical

• Mega

• Irregular

Tags

NGSS.MS-ESS1-2