Back to Article List Astro News Bytes: Downsizing the Andromeda Galaxy Astronomers used to believe that the Andromeda Galaxy, our nearest galactic neighbor, was three times the size of the Milky Way. Not anymore. By Astronomy Staff | Published: March 6, 2018 You can get the whole story in News: Just how big is the Andromeda galaxy?
Human Spaceflight, Science Ask Astro: How fast could a ship reach light-speed without crushing its human occupants?