2.4 The Milky Way Quiz

What is the Milky Way Galaxy made of?

• Only stars

• Millions of stars, gas, and dust

• Billions of stars and planets

• Only gas and dust

Why is the Milky Way so bright when viewed from Earth?

• Because it is our own galaxy

• Because it is made of reflective materials

• Because it contains the most stars in the universe

• Due to light pollution in cities

What is the shape of the Milky Way Galaxy?

• Elliptical

• Spiral

• Irregular

• Circular

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

• 50 billion

• 10 billion

• 100 billion to 400 billion

• 1 trillion

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

• At the edge

• In a spiral arm

• At the center

• In the central bulge

How far is Earth from the center of the Milky Way Galaxy?

• 50,000 light-years

• 10,000 light-years

• 100,000 light-years

• 26,000 light-years

What is the size of the Milky Way Galaxy's disk compared to the solar system?

• Wider than the entire United States

• About the same size as Jupiter

• Smaller than the moon

• About the same size as Earth

Tags

NGSS.MS-ESS1-3

What orbits the center of the Milky Way Galaxy?

• The solar system

• The stars

• The planets

• The moon

What have astronomers recently discovered at the center of the Milky Way Galaxy?

• A supermassive black hole

• A giant asteroid

• A massive gas cloud

• A new star system

What does the Milky Way Galaxy look like from inside?

• A dense cluster of planets

• A colorful nebula

• A dark empty space

• A bright white river of stars