APOD

Astronomy Picture of the Day

The Ghosts of Five Supernovas The Ghosts of Five Supernovas


A once-in-a-lifetime crater has appeared on the Moon! A once-in-a-lifetime crater has appeared on the Moon!


This shot captured an unexpected silhouette. Which is it? This shot captured an unexpected silhouette. Which is it?


When does a nebula look like a comet? When does a nebula look like a comet?


If you went outside at the same time every day and If you went outside at the same time every day and



The small, northern constellation The small, northern constellation