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