Milky Way

Which galaxy do we live in?

• Andromeda

• ESO 146-IG 005

• Milky Way

• Seque 2

Why is the galaxy called the Milky Way?

• Because it looks hazy and milky from Earth, it glows a band of light that stretches across the sky.

• Because of its dense, fluid center, it is dark and scary

• It's a translation of an ancient name for "galaxy"

Scientists believe nearly __________ stars lie in our galaxy, and just as many planets.

• Less than 20 billion stars

• 200 milion stars

• Over 200 billion stars

It would take you ___________ just to get from one end to the other!

• 100,000 light-years

• 50,000 light-years

• 100,000 star-years

Is the Milky Way the only galaxy in the universe?

• Yes

• No

What force keeps the arms of the Milky Way spinning around its center?

• The strong force

• Friction

• Gravity

What the shape of the milky way? Choose the best shape

• 
• 
• 
• 

What is a galactic year?

• The time it takes for the sun to orbit around the center of the galaxy

• The time it takes for one arm of the galaxy to move ninety degrees

• The time it takes the Earth to make one revolution around the sun

What might happen if you got too close to the center of the Milky Way galaxy?

• You would be burned up by the galaxy's brightest stars.

• You would be spun outwards toward the edge of the galaxy.

• You would be trapped in the gravitational pul of a black hole.

• You would find yourself traveling faster than the speed of light.

Which choice best depicts the shape of the Milky way?

• 
• 
• 
•