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