Astronomy for Kids: Galaxies Quiz

Who suggested in 1917 that there might be lots of different large groups of stars?

• Thomas Wright

• Carl Sagan

• Albert Einstein

• Isaac Newton

What is a galaxy?

• A planet

• A single star

• A group of stars and other space stuff

• A type of comet

Tags

NGSS.MS-ESS1-2

How many stars are estimated to be in the Milky Way galaxy?

• About 3 trillion

• About 300 billion

• About 30 billion

• About 300 million

What shape is the Milky Way galaxy?

• Elliptical

• Irregular

• Barred spiral

• Spiral

What type of galaxy has a long bar in the middle with spirals coming off the ends?

• Irregular

• Elliptical

• Barred spiral

• Spiral

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

• A planet

• A massive black hole

• Dark matter

• A bright star

Which galaxy is the closest to the Milky Way?

• Sombrero

• Triangulum

• Whirlpool

• Andromeda

What is the Greek word for 'milky' related to?

• The name 'Andromeda'

• The word 'galaxy'

• The term 'black hole'

• The Solar System

How long does it take for the sun to orbit the center of the Milky Way galaxy?

• One hundred million years

• Five hundred million years

• Two hundred million years

• One billion years

Tags

NGSS.HS-ESS1-4

What are the four main types of galaxies?

• Spiral, Barred spiral, Elliptical, Irregular

• Circular, Square, Triangular, Hexagonal

• Red, Blue, White, Black

• Large, Medium, Small, Tiny