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