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