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