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Astronomy Picture of the Day
Updated: 7 hours 54 min ago

A Rocket Booster Falls Back to Earth

Wed, 08/03/2016 - 9:07am

What's that crossing the sky? What's that crossing the sky?


Behind Saturn

Tue, 08/02/2016 - 9:07am

What's behind Saturn? What's behind Saturn?


A Huge Solar Filament Erupts

Mon, 08/01/2016 - 9:07am

Filaments sometimes explode off the Sun. Filaments sometimes explode off the Sun.


Ripples Through a Dark Sky

Sun, 07/31/2016 - 9:07am

Sunlight ripples through a dark sky on this Swedish summer midnight Sunlight ripples through a dark sky on this Swedish summer midnight


Blue Danube Analemma

Sat, 07/30/2016 - 9:07am

The Sun's annual The Sun's annual


Herschel's Eagle Nebula

Fri, 07/29/2016 - 9:07am

Herschel's Eagle Nebula Herschel's Eagle Nebula


M13: A Great Globular Cluster of Stars

Thu, 07/28/2016 - 9:07am

 A Great Globular Cluster of Stars M13: A Great Globular Cluster of Stars


Puzzling a Sky over Argentina

Wed, 07/27/2016 - 9:07am

Can you find the comet? Can you find the comet?


Deep Magellanic Clouds Image Indicates Collisions

Tue, 07/26/2016 - 9:07am

Did the two most famous satellite galaxies of our Milky Way Galaxy once collide? Did the two most famous satellite galaxies of our Milky Way Galaxy once collide?


M2 9: Wings of a Butterfly Nebula

Mon, 07/25/2016 - 9:07am

Are stars better appreciated for their art after they die?  Are stars better appreciated for their art after they die?


Summer Planets and Milky Way

Sun, 07/24/2016 - 9:07am

Summer Planets and Milky Way Summer Planets and Milky Way


Galaxy Cluster Abell S1063 and Beyond

Sat, 07/23/2016 - 9:07am

Some 4 billion light-years away, galaxies of massive Abell S1063 Some 4 billion light-years away, galaxies of massive Abell S1063


Falcon 9: Launch and Landing

Fri, 07/22/2016 - 9:07am

 Launch and Landing Falcon 9: Launch and Landing


Dark Dunes on Mars

Thu, 07/21/2016 - 9:07am

How does wind affect sand on Mars? How does wind affect sand on Mars?


Color the Universe

Wed, 07/20/2016 - 9:07am

Wouldn't it be fun to color in the universe? Wouldn't it be fun to color in the universe?


The Orion Nebula in Infrared from HAWK I

Wed, 07/20/2016 - 9:07am

The deepest infrared image of the Orion Nebula has uncovered a bonanza of previously unknown low-mass stars and -- quite possibly -- free floating planets. The deepest infrared image of the Orion Nebula has uncovered a bonanza of previously unknown low-mass stars and -- quite possibly -- free floating planets.


Mercury on the Horizon

Mon, 07/18/2016 - 9:07am

Have you ever seen the planet Mercury?  Have you ever seen the planet Mercury?


The North Celestial Tower

Sun, 07/17/2016 - 9:07am

If you climbed to the top of this 13th century stone tower, If you climbed to the top of this 13th century stone tower,


NGC 2736: The Pencil Nebula

Sat, 07/16/2016 - 9:07am

Moving from top to bottom in the frame near the center of this Moving from top to bottom in the frame near the center of this


NGC 1309: Spiral Galaxy and Friends

Fri, 07/15/2016 - 9:07am

A gorgeous spiral galaxy some 100 million light-years distant, A gorgeous spiral galaxy some 100 million light-years distant,


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