Science Since the Milky Way is a flat disk, it should appear as a straight line across the sky. However, in photos such as on pages 50–51 of the April issue, it is a curved arc. Why?
Milky Way, Stars Recently, astronomers discovered the most distant Milky Way stars to date, at distances of 775,000 and 900,000 light-years, respectively. How can these two stars be in the Milky Way if our galaxy is 120,000 light-years across?
Exotic Objects, Milky Way The Milky Way’s supermassive black hole erupted with a violent flare just a few million years ago
Exotic Objects, Milky Way, Science The Milky Way’s supermassive black hole may have a dozen nomadic siblings