Exoplanets, Planets Why do aurorae appear strongest within rings centered on Earth’s poles instead of filled-in circles?
Exoplanets, Planets, Solar System What can astronomers tell us about the different colors on the surface of Jupiter’s moon Europa?
Exotic Objects Don’t black holes disobey the conservation of mass because black holes essentially “eat” matter, thus destroying the material?
Exoplanets, Planets, Solar System Is Venus always either a “morning star” or an “evening star” during certain times of the year?
