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Astronomy Picture of the Day
Updated: 1 hour 45 min ago

Fast Stars and Rogue Planets in the Orion Nebula

17 hours 14 min ago

Start with the constellation of Orion. Start with the constellation of Orion.


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The Aurora Tree

Mon, 03/20/2017 - 22:50

Yes, but can your tree do this? Yes, but can your tree do this?


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Equinox on a Spinning Earth

Mon, 03/20/2017 - 22:50

When does the line between day and night become vertical? When does the line between day and night become vertical?


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JWST: Ghosts and Mirrors

Mon, 03/20/2017 - 22:50

 Ghosts and Mirrors JWST: Ghosts and Mirrors


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Phases of Venus

Mon, 03/20/2017 - 22:50

Phases of Venus Phases of Venus


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Mimas in Saturnlight

Mon, 03/20/2017 - 22:50

Peering from the shadows, the Peering from the shadows, the


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The Cone Nebula from Hubble

Mon, 03/20/2017 - 22:50

Stars are forming in the gigantic dust pillar called the Cone Nebula. Stars are forming in the gigantic dust pillar called the Cone Nebula.


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At the Heart of Orion

Sun, 03/12/2017 - 23:36

Near the center of this sharp cosmic portrait, at the heart of Near the center of this sharp cosmic portrait, at the heart of


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Reflections on vdB 31

Sat, 03/11/2017 - 23:51

Riding high in the constellation of Auriga, Riding high in the constellation of Auriga,


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Galaxy Cluster Abell 2666

Fri, 03/10/2017 - 23:14

The galaxies of Abell 2666 lie far beyond the Milky Way, some The galaxies of Abell 2666 lie far beyond the Milky Way, some


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Centaurus A

Thu, 03/09/2017 - 22:24

Only 11 million light-years away, Only 11 million light-years away,


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Dust, Gas, and Stars in the Orion Nebula

Wed, 03/08/2017 - 21:59

Dust, Gas, and Stars in the Orion Nebula Dust, Gas, and Stars in the Orion Nebula


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UGC 12591: The Fastest Rotating Galaxy Known

Tue, 03/07/2017 - 21:25

Why does this galaxy spin so fast? Why does this galaxy spin so fast?


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Colorful Aurora over Iceland

Tue, 03/07/2017 - 00:02

You don't always see a scene this beautiful when you hike to an ancient volcano -- you have to be lucky. You don't always see a scene this beautiful when you hike to an ancient volcano -- you have to be lucky.


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The Mysterious Rings of Supernova 1987A

Sun, 03/05/2017 - 22:57

What's causing those odd rings in What's causing those odd rings in


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Still Life with Reflecting Dust

Sat, 03/04/2017 - 22:08

In this beautiful In this beautiful


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Sivan 2 to M31

Fri, 03/03/2017 - 21:28

From within the boundaries of the constellation Cassiopeia (left) to From within the boundaries of the constellation Cassiopeia (left) to


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Annular Eclipse After Sunrise

Thu, 03/02/2017 - 23:35

From northern From northern


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A Solar Eclipse with a Beaded Ring of Fire

Wed, 03/01/2017 - 22:52

What kind of eclipse is this? What kind of eclipse is this?


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A White Oval Cloud on Jupiter from Juno

Tue, 02/28/2017 - 21:36

This storm cloud on Jupiter is almost as large as the Earth. This storm cloud on Jupiter is almost as large as the Earth.


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