Galaxies in the Universe

What type of galaxy is the Milky Way?

• Spiral
• Barred Spiral
• Irregular
• Elliptical

On what arm of the Milky Way is our Solar System found?

• Scutum-Crux Arm
• Carina-Sagitarius Arm
• Great Orion Arm
• Outer Cygnus Arm

Where can the Solar System be found when looking at the Milky Way from above?

• In the center of the galaxy
• On the edge of the galaxy
• About 2/3rds of the way out from the center
• About 1/3rd of the way out from the center

How long does it take the Sun to make one complete revolution around the center of the Milky Way?

• 220 Million Years
• 220 Million Light-Years
• 220 Billion Years
• 220 Billion Light-Years

Types of galaxies include all of the following EXCEPT... 

• Spiral
• Elliptical 
• Irregular
• Galactic

What is a galaxy?

• a star and it's surrounding planets
• billions of stars held together by gravity
• the big bang
• a cluster of nebulas

Hubble's law tells us

• galaxies closer to ours are moving away at a faster speed
• galaxies that are closer to ours are going to collide with ours 
• galaxies that are farther away move at a faster speed
• the universe is expanding and will soon stop

How old is our universe?

• 13.7 billion years old
• 4.6 billion years old
• 5,000 years old
• 13 years old

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational