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Milky Way Galaxy forms
  • 1. What is the approximate diameter of the Milky Way Galaxy?
A) 50,000 light-years
B) 500,000 light-years
C) 200,000 light-years
D) 100,000 light-years
  • 2. Approximately how many stars are estimated to be in the Milky Way Galaxy?
A) 500-1,000 billion
B) 10-50 billion
C) 1-10 billion
D) 100-400 billion
  • 3. What is the name of the spiral arm where the Sun is located?
A) Norma Arm
B) Orion Arm
C) Perseus Arm
D) Scutum-Crux Arm
  • 4. What is the approximate age of the Milky Way Galaxy?
A) 20 billion years
B) 10 billion years
C) 13.6 billion years
D) 5 billion years
  • 5. What is the name of the supermassive black hole at the center of the Milky Way Galaxy?
A) Black Hole B1504+82
B) Sagittarius A*
C) V404 Cygni
D) M87*
  • 6. What is the approximate thickness of the Milky Way Galaxy's disk?
A) 1,000 light-years
B) 2,000 light-years
C) 500 light-years
D) 5,000 light-years
  • 7. What is the name of the smaller galaxy that will eventually collide with the Milky Way Galaxy?
A) Large Magellanic Cloud
B) Andromeda Galaxy
C) Small Magellanic Cloud
D) Triangulum Galaxy
  • 8. What is the name of the group of galaxies that includes the Milky Way?
A) Orion Supercluster
B) Virgo Supercluster
C) Hydra-Centaurus Supercluster
D) Local Group
  • 9. What is the name of the process by which the Milky Way Galaxy gravitationally interacts with other galaxies?
A) Space Collison
B) Galactic Cannibalism
C) Interstellar Dance
D) Universal Attraction
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