Exploring Our Galaxies: Milky Way & Beyond

What is the approximate diameter of the Milky Way galaxy?

• 1,000 light-years

• 100,000 light-years

• 1,000,000 light-years

• 10,000 light-years

Which type of galaxy is the Milky Way classified as?

• Elliptical

• Spiral

• Irregular

• Lenticular

Tags

NGSS.MS-ESS1-2

Approximately how many stars are in the Milky Way galaxy?

• 1 billion

• 100 billion

• 1 trillion

• 10 million

Where is our solar system located within the Milky Way galaxy?

• At the center

• In the Orion Arm, about two-thirds from the center

• In the Sagittarius Arm, near the edge

• In the galactic halo

What is the name of the galaxy that is expected to collide with the Milky Way in the future?

• Triangulum Galaxy

• Andromeda Galaxy

• Large Magellanic Cloud

• Whirlpool Galaxy

What is the approximate distance from the Milky Way to the Andromeda Galaxy?

• 2.5 million light-years

• 25,000 light-years

• 250,000 light-years

• 10 million light-years

Which group of galaxies does the Milky Way belong to?

• Virgo Cluster

• Local Group

• Coma Cluster

• Fornax Cluster

What is the shape of the Andromeda Galaxy?

• Elliptical

• Spiral

• Irregular

• Ring

How long will it take for the Andromeda Galaxy to collide with the Milky Way?

• About 4.5 billion years

• About 1 million years

• About 100 million years

• About 500,000 years

Tags

NGSS.HS-ESS1-4

Which of the following best describes the Milky Way’s central region?

• A supermassive black hole surrounded by dense stars

• A void with no stars

• A region of only gas and dust

• A single giant star