APOD

Syndicate content APOD
Astronomy Picture of the Day
Updated: 2 hours 32 min ago

Noctilucent Clouds over London

Wed, 07/16/2014 - 03:42

This scene from the early morning hours This scene from the early morning hours


Gliese 832c: The Closest Potentially Habitable Exoplanet

Tue, 07/15/2014 - 06:42

This planet is only 16 light years away -- could it harbor life? This planet is only 16 light years away -- could it harbor life?


Iridescent Clouds over Thamserku

Mon, 07/14/2014 - 02:42

Why would a cloud appear to be different colors? Why would a cloud appear to be different colors?


J1502+1115: A Triple Black Hole Galaxy

Sun, 07/13/2014 - 06:42

Most galaxies contain one supermassive black hole -- why does this galaxy have three? Most galaxies contain one supermassive black hole -- why does this galaxy have three?


Manhattanhenge: A New York City Sunset

Sat, 07/12/2014 - 02:42

This coming Saturday, if it is clear, well placed New Yorkers can This coming Saturday, if it is clear, well placed New Yorkers can


M106 Across the Spectrum

Fri, 07/11/2014 - 05:42

The spiral arms of bright, active galaxy M106 sprawl through this The spiral arms of bright, active galaxy M106 sprawl through this


OCO-2 Night Launch

Thu, 07/10/2014 - 01:42

OCO-2 Night Launch OCO-2 Night Launch


Along the Cygnus Wall

Wed, 07/09/2014 - 04:42

The prominent ridge of emission featured in The prominent ridge of emission featured in


NGC 4651: The Umbrella Galaxy

Tue, 07/08/2014 - 00:42

Spiral galaxy NGC 4651 is a mere 62 million light-years distant, Spiral galaxy NGC 4651 is a mere 62 million light-years distant,


Wolf Rayet Star 124: Stellar Wind Machine

Mon, 07/07/2014 - 04:42

Some stars explode in slow motion. Some stars explode in slow motion.


Peculiar Elliptical Galaxy Centaurus A

Sun, 07/06/2014 - 01:42

What's happened to the center of this galaxy? What's happened to the center of this galaxy?


Galaxy Cove Vista Revisited

Sat, 07/05/2014 - 04:42

To see a vista like this takes patience, hiking, and a camera. To see a vista like this takes patience, hiking, and a camera.


Orion Arising

Fri, 07/04/2014 - 00:42

Orion's belt runs just along the horizon, seen Orion's belt runs just along the horizon, seen


Martian Anniversary Selfie

Thu, 07/03/2014 - 03:42

Martian Anniversary Selfie Martian Anniversary Selfie


Conjunction by the Sea

Wed, 07/02/2014 - 06:42

Conjunction by the Sea Conjunction by the Sea


The Hercules Cluster of Galaxies

Tue, 07/01/2014 - 02:42

These are galaxies of the These are galaxies of the


The Iris Nebula in a Field of Dust

Mon, 06/30/2014 - 06:42

What flowers in this field of dark star dust? What flowers in this field of dark star dust?


Four Lasers over Mauna Kea

Sun, 06/29/2014 - 02:42

Are lasers from giant telescopes being used to attack the Galactic center? Are lasers from giant telescopes being used to attack the Galactic center?


Persistent Saturnian Auroras

Sat, 06/28/2014 - 05:42

Are Saturn's auroras like Earth's?  Are Saturn's auroras like Earth's?


Lisbon Honey Moon

Fri, 06/27/2014 - 02:42

The Sun set on The Sun set on