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Astronomy Picture of the Day
Updated: 21 hours 29 min ago

Mimas, Crater, and Mountain

Thu, 01/12/2017 - 9:07am

Mimas is an icy, crater-pocked moon of Saturn a Mimas is an icy, crater-pocked moon of Saturn a


Sentinels of a Northern Sky

Wed, 01/11/2017 - 9:07am

Who guards the north? Who guards the north?


In the Center of Spiral Galaxy NGC 5033

Tue, 01/10/2017 - 9:07am

What's happening in the center of spiral NGC 5033? What's happening in the center of spiral NGC 5033?


IC 4406: A Seemingly Square Nebula

Mon, 01/09/2017 - 9:07am

How can a round star make a square nebula?  How can a round star make a square nebula?


Sharpless 249 and the Jellyfish Nebula

Sun, 01/08/2017 - 9:07am

Normally faint and elusive, the Jellyfish Nebula is caught in Normally faint and elusive, the Jellyfish Nebula is caught in


New York Harbor Moonset

Sat, 01/07/2017 - 9:07am

Moonset on January 1 is captured in this sea and night sky snapshot Moonset on January 1 is captured in this sea and night sky snapshot


Peculiar Galaxies of Arp 273

Fri, 01/06/2017 - 9:07am

Peculiar Galaxies of Arp 273 Peculiar Galaxies of Arp 273


Peculiar Galaxies of Arp 273

Thu, 01/05/2017 - 9:07am

Peculiar Galaxies of Arp 273 Peculiar Galaxies of Arp 273


Clouds of Andromeda

Thu, 01/05/2017 - 9:07am

The beautiful Andromeda Galaxy is often imaged by The beautiful Andromeda Galaxy is often imaged by


Pandora Close up at Saturn

Thu, 01/05/2017 - 9:07am

What do the craters of Saturn's small moon Pandora look like up close?  What do the craters of Saturn's small moon Pandora look like up close?


Comet 45P Returns

Thu, 01/05/2017 - 9:07am

An old comet has returned to the inner Solar System. An old comet has returned to the inner Solar System.


A Full Sky Aurora Over Norway

Thu, 01/05/2017 - 9:07am

Higher than the Higher than the


Infrared Trifid

Thu, 01/05/2017 - 9:07am

The Trifid Nebula, The Trifid Nebula,


Lunar Farside

Thu, 01/05/2017 - 9:07am

Tidally locked in Tidally locked in


Pandora Close up at Saturn

Wed, 01/04/2017 - 9:07am

What do the craters of Saturn's small moon Pandora look like up close?  What do the craters of Saturn's small moon Pandora look like up close?


Comet 45P Returns

Tue, 01/03/2017 - 9:07am

An old comet has returned to the inner Solar System. An old comet has returned to the inner Solar System.


A Full Sky Aurora Over Norway

Mon, 01/02/2017 - 9:07am

Higher than the Higher than the


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