Exploring the Milky Way

What is the Milky Way?

• A moon

• A galaxy

• A star

• A planet

How far can light travel in one year?

• Nearly 6 trillion miles

• 10 billion miles

• About 100,000 miles

• 1 million miles

What is at the very center of the Milky Way?

• A planet

• A large star

• A moon

• A giant black hole

What shape is the Milky Way?

• Spiral

• Triangle

• Square

• Circular

What is the 'bulge' in the Milky Way?

• A planet

• A moon

• A distant star

• The center of the galaxy

How many stars does the Milky Way have at least?

• 200 billion

• 100 million

• 500 million

• 1 billion

What is a light year?

• A measurement of light brightness

• A type of star

• The time it takes for light to travel from the sun to Earth

• The distance light travels in one year

What part of the Milky Way is our solar system located in?

• The Galactic Center

• The bulge

• The halo

• A spiral arm

What did ancient Greek philosophers suggest about the Milky Way?

• It is a single star

• It is a large asteroid

• It is a group of planets

• It might be made of stars

What did Galileo Galilei discover about the Milky Way?

• It is a single light source

• It is made of many stars

• It is a large planet

• It is a moon