A) 100,000 light-years B) 50,000 light-years C) 500,000 light-years D) 200,000 light-years
A) 1-10 billion B) 500-1,000 billion C) 10-50 billion D) 100-400 billion
A) Perseus Arm B) Orion Arm C) Scutum-Crux Arm D) Norma Arm
A) 13.6 billion years B) 5 billion years C) 20 billion years D) 10 billion years
A) Sagittarius A* B) Black Hole B1504+82 C) M87* D) V404 Cygni
A) 1,000 light-years B) 500 light-years C) 2,000 light-years D) 5,000 light-years
A) Large Magellanic Cloud B) Triangulum Galaxy C) Andromeda Galaxy D) Small Magellanic Cloud
A) Orion Supercluster B) Hydra-Centaurus Supercluster C) Local Group D) Virgo Supercluster
A) Galactic Cannibalism B) Universal Attraction C) Interstellar Dance D) Space Collison |