2019-10-24

Light-years across, this suggestive shape known as the Seahorse Nebula appears in silhouette against a rich, luminous background of stars. Seen toward...

2014-06-01

The Cat's Eye Nebula (NGC 6543) is one of the best known planetary nebulae in the sky. Its haunting symmetries are seen in the very central region of ...

2024-08-02

As Mars wanders through Earth's night, it passes about 5 degrees south of the Pleiades star cluster in this composite astrophoto. The skyview was cons...

2016-04-24

Newborn stars are forming in the Eagle Nebula. This image, taken with the Hubble Space Telescope in 1995, shows evaporating gaseous globules (EGGs) e...

2000-12-12

Who keeps an eye on the largest moon in the Solar System? This moon, visible on the lower right, is Ganymede, and the planet it orbits, Jupiter, seem...

2003-09-29

Tomorrow's picture: Through the Milky Way < | Archive | Index | Search | Calendar | Glossary | Education | About APOD | > Authors & editors: Robert ...

2011-09-01

While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that w...

2016-08-10

Will either of these galaxies survive? In what might be dubbed as a semi-final round in a galactic elimination tournament, the two spirals of NGC 731...

2006-08-24

The matter in galaxy cluster 1E 0657-56, fondly known as the "bullet cluster", is shown in this composite image. A mere 3.4 billion light-years away, ...

2003-06-17

It's the bubble versus the cloud. NGC 7635, the Bubble Nebula, is being pushed out by the stellar wind of massive central star BD+602522. Next door,...