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Astronomy Picture of the Day
Updated: 1 hour 37 min ago

Close Encounter with M44

1 hour 37 min ago

On Monday, January 26, well-tracked On Monday, January 26, well-tracked


Comet Lovejoy in a Winter Sky

1 hour 37 min ago

Which of these night sky icons can you find in this beautiful and deep exposure of the northern winter sky? Which of these night sky icons can you find in this beautiful and deep exposure of the northern winter sky?


Our Galaxys Magnetic Field from Planck

1 hour 37 min ago

What does the magnetic field of our Galaxy look like? What does the magnetic field of our Galaxy look like?


The Milky Way over the Seven Strong Men Rock Formations

1 hour 37 min ago

You may have heard of the You may have heard of the


A Twisted Solar Eruptive Prominence

1 hour 37 min ago

A Twisted Solar Eruptive Prominence A Twisted Solar Eruptive Prominence


Light from Cygnus A

1 hour 37 min ago

Celebrating astronomy in this Celebrating astronomy in this


A Night at Poker Flat

1 hour 37 min ago

Four NASA suborbital Four NASA suborbital


Interior View

Thu, 01/29/2015 - 00:42

Interior View Interior View


Launch to Lovejoy

Wed, 01/28/2015 - 03:42

Launch to Lovejoy Launch to Lovejoy


The Complex Ion Tail of Comet Lovejoy

Tue, 01/27/2015 - 06:42

What causes the structure in Comet Lovejoy's tail? What causes the structure in Comet Lovejoy's tail?


Approaching Asteroid Ceres

Mon, 01/26/2015 - 03:42

It is the largest asteroid in the asteroid belt -- what secrets does it hold? It is the largest asteroid in the asteroid belt -- what secrets does it hold?


Infrared Orion from WISE

Sun, 01/25/2015 - 00:42

The Great Nebula in Orion is an intriguing place.  The Great Nebula in Orion is an intriguing place.


The Galactic Core in Infrared

Sat, 01/24/2015 - 04:42

What's happening at the center of our Milky Way Galaxy? What's happening at the center of our Milky Way Galaxy?


Comet Lovejoy's Tail

Fri, 01/23/2015 - 00:42

Comet Lovejoy's Tail Comet Lovejoy's Tail


Huygens Lands on Titan

Thu, 01/22/2015 - 03:42

Delivered by Saturn-bound Cassini, ESA's Huygens probe Delivered by Saturn-bound Cassini, ESA's Huygens probe


Venus and Mercury at Sunset

Wed, 01/21/2015 - 07:42

Inner planets Inner planets


The Hunter, the Bull, and Lovejoy

Tue, 01/20/2015 - 04:42

Heading north, Comet Lovejoy (C/2014 Q2) Heading north, Comet Lovejoy (C/2014 Q2)


The Soap Bubble Nebula

Mon, 01/19/2015 - 07:42

Adrift in the Adrift in the


Super Planet Crash

Sun, 01/18/2015 - 03:42

Can you create a planetary system that lasts for 500 years? Can you create a planetary system that lasts for 500 years?


Cataclysmic Dawn

Sat, 01/17/2015 - 06:42

Will this dawn bring another nova? Will this dawn bring another nova?