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Astronomy Picture of the Day
Updated: 1 hour 7 min ago

A White Battle in the Black Sea

Mon, 04/24/2017 - 23:29

Trillions have died in the Earth's seas. Trillions have died in the Earth's seas.


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The Holographic Principle

Sun, 04/23/2017 - 22:42

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


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Between the Rings

Sat, 04/22/2017 - 22:16

Between the Rings Between the Rings


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NGC 4302 and NGC 4298

Fri, 04/21/2017 - 21:18

NGC 4302 and NGC 4298 NGC 4302 and NGC 4298


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Asteroid 2014 JO25

Fri, 04/21/2017 - 00:00

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


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The Red Spider Planetary Nebula

Wed, 04/19/2017 - 23:05

Oh what a Oh what a


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Night Glows

Tue, 04/18/2017 - 22:10

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


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Two Million Stars on the Move

Mon, 04/17/2017 - 21:31

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?


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Life Enabling Plumes above Enceladus

Mon, 04/17/2017 - 00:00

Life Enabling Plumes above Enceladus  Life Enabling Plumes above Enceladus


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Luminous Salar de Uyuni

Sat, 04/15/2017 - 23:22

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


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Earth Shadow over Damavand

Fri, 04/14/2017 - 22:47

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


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Moons and Jupiter

Thu, 04/13/2017 - 22:26

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.


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Leo Trio

Wed, 04/12/2017 - 22:06

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


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Man, Dog, Sun

Tue, 04/11/2017 - 21:27

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.


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Galaxy Cluster Gas Creates Hole in Microwave Background

Tue, 04/11/2017 - 00:03

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)?


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Comet Hale Bopp Over Val Parola Pass

Sun, 04/09/2017 - 23:29

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


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Zeta Oph: Runaway Star

Sat, 04/08/2017 - 22:43

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


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Castle Eye View

Fri, 04/07/2017 - 22:13

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


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Dark Nebula LDN 1622 and Barnards Loop

Fri, 04/07/2017 - 00:14

The silhouette of an intriguing The silhouette of an intriguing


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Filaments of Active Galaxy NGC 1275

Thu, 04/06/2017 - 00:03

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


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