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Astronomy Picture of the Day
Updated: 21 hours 40 min ago

The Holographic Principle

Mon, 04/24/2017 - 9:07am

Is this picture worth a thousand words?  Is this picture worth a thousand words?


Between the Rings

Sun, 04/23/2017 - 9:07am

Between the Rings Between the Rings


NGC 4302 and NGC 4298

Sat, 04/22/2017 - 9:07am

NGC 4302 and NGC 4298 NGC 4302 and NGC 4298


Asteroid 2014 JO25

Fri, 04/21/2017 - 9:07am

A day before its closest approach, asteroid 2014 JO25 A day before its closest approach, asteroid 2014 JO25


The Red Spider Planetary Nebula

Thu, 04/20/2017 - 9:07am

Oh what a Oh what a


Night Glows

Wed, 04/19/2017 - 9:07am

What glows in the night? What glows in the night?


Two Million Stars on the Move

Tue, 04/18/2017 - 9:07am

If you could watch the night sky for one million years -- how would it change? If you could watch the night sky for one million years -- how would it change?


Life Enabling Plumes above Enceladus

Mon, 04/17/2017 - 9:07am

Life Enabling Plumes above Enceladus  Life Enabling Plumes above Enceladus


Luminous Salar de Uyuni

Sun, 04/16/2017 - 9:07am

A scene in high contrast this thoughtful night skyscape is A scene in high contrast this thoughtful night skyscape is


Earth Shadow over Damavand

Sat, 04/15/2017 - 9:07am

Through crystal clear skies this beautiful panorama follows the curve of Through crystal clear skies this beautiful panorama follows the curve of


Moons and Jupiter

Fri, 04/14/2017 - 9:07am

On April 10, a Full Moon and Jupiter shared this telephoto field of view. On April 10, a Full Moon and Jupiter shared this telephoto field of view.


Leo Trio

Thu, 04/13/2017 - 9:07am

This group is popular in the northern spring. This group is popular in the northern spring.


Man, Dog, Sun

Wed, 04/12/2017 - 9:07am

This was supposed to be a shot of trees in front of a setting Sun. This was supposed to be a shot of trees in front of a setting Sun.


Galaxy Cluster Gas Creates Hole in Microwave Background

Tue, 04/11/2017 - 9:07am

Why would this cluster of galaxy punch a hole in the cosmic microwave background (CMB)? Why would this cluster of galaxy punch a hole in the cosmic microwave background (CMB)?


Comet Hale Bopp Over Val Parola Pass

Mon, 04/10/2017 - 9:07am

Comet Hale Bopp Over Val Parola Pass Comet Hale Bopp Over Val Parola Pass


Zeta Oph: Runaway Star

Sun, 04/09/2017 - 9:07am

Like a ship plowing through cosmic seas, Like a ship plowing through cosmic seas,


Castle Eye View

Sat, 04/08/2017 - 9:07am

The best known asterism in northern skies, The Big Dipper is The best known asterism in northern skies, The Big Dipper is


Dark Nebula LDN 1622 and Barnards Loop

Fri, 04/07/2017 - 9:07am

The silhouette of an intriguing The silhouette of an intriguing


Filaments of Active Galaxy NGC 1275

Thu, 04/06/2017 - 9:07am

What keeps these filaments attached to this galaxy? What keeps these filaments attached to this galaxy?


Plane Contrail and Sun Halo

Wed, 04/05/2017 - 9:07am

What's happened to the sky? What's happened to the sky?


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