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Astronomy Picture of the Day
Updated: 6 hours 32 min ago

A Zodiacal Sky over Horseshoe Bend

6 hours 32 min ago

What's causing the unusual ray of white light extending upward from the central horizon? What's causing the unusual ray of white light extending upward from the central horizon?


In the Center of the Lagoon Nebula

6 hours 32 min ago

The center of the Lagoon Nebula is a The center of the Lagoon Nebula is a


A View Toward M101

6 hours 32 min ago

Big, beautiful spiral galaxy M101 is one of the last Big, beautiful spiral galaxy M101 is one of the last


Wolf Lundmark Melotte

6 hours 32 min ago

Named for the three astronomers instrumental in its discovery and Named for the three astronomers instrumental in its discovery and


Simeis 147: Supernova Remnant

6 hours 32 min ago

It's easy to get lost following intricate filaments in this It's easy to get lost following intricate filaments in this


Galaxy Group Hickson 90

6 hours 32 min ago

Scanning the skies for galaxies, Canadian astronomer Scanning the skies for galaxies, Canadian astronomer


Approaching Jupiter

6 hours 32 min ago

What would it look like to approach Jupiter? What would it look like to approach Jupiter?


Gemini Stars Pollux and Castor

Mon, 22/05/2017 - 13:00

Who are the twins of Gemini? Who are the twins of Gemini?


Lightning Storm Moves Across the USA

Sun, 21/05/2017 - 11:00

Watch a huge lightning storm move across the eastern USA. Watch a huge lightning storm move across the eastern USA.


Ganymede: The Largest Moon

Sat, 20/05/2017 - 09:00

What does the largest moon in the What does the largest moon in the


Planet Aurora

Fri, 19/05/2017 - 07:00

Planet Aurora Planet Aurora


M13: The Great Globular Cluster in Hercules

Thu, 18/05/2017 - 18:00

 The Great Globular Cluster in Hercules M13: The Great Globular Cluster in Hercules


The Multiwavelength Crab

Wed, 17/05/2017 - 16:00

The Crab Nebula is cataloged as M1, the first object on The Crab Nebula is cataloged as M1, the first object on


UGC 1810: Wildly Interacting Galaxy from Hubble

Tue, 16/05/2017 - 14:00

What's happening to this spiral galaxy? What's happening to this spiral galaxy?


Big Dipper Above and Below Chilean Volcanoes

Mon, 15/05/2017 - 12:00

Do you see it?  Do you see it?


Ancient Ogunquit Beach on Mars

Sun, 14/05/2017 - 10:00

This was once a beach -- on ancient Mars. This was once a beach -- on ancient Mars.


Star Formation in the Tadpole Nebula

Sat, 13/05/2017 - 08:00

What's all of the commotion in the Tadpole nebula? What's all of the commotion in the Tadpole nebula?


Galaxy Cluster Abell 370 and Beyond

Fri, 12/05/2017 - 06:00

Some 4 billion light-years away, massive galaxy cluster Abell 370 Some 4 billion light-years away, massive galaxy cluster Abell 370


The Bull's Eye and the Young Moon

Thu, 11/05/2017 - 17:00

The Bull's Eye and the Young Moon The Bull's Eye and the Young Moon


The Perseus Cluster Waves

Wed, 10/05/2017 - 15:00

The Perseus Cluster Waves The Perseus Cluster Waves