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Astronomy Picture of the Day
Updated: 5 hours 53 min ago

Reflections of Venus and Moon

Fri, 25/05/2018 - 06:00

Reflections of Venus and Moon Reflections of Venus and Moon


Attack of the Laser Guide Stars

Thu, 24/05/2018 - 17:00

Attack of the Laser Guide Stars Attack of the Laser Guide Stars


Milky Way vs Airglow Australis

Wed, 23/05/2018 - 15:00

Milky Way vs Airglow Australis Milky Way vs Airglow Australis


Rotation of the Large Magellanic Cloud

Tue, 22/05/2018 - 13:00

This image is not blurry. This image is not blurry.


Kepler's House in Linz

Mon, 21/05/2018 - 11:00

Four hundred years ago today Four hundred years ago today


Saturn's Hyperion in Natural Color

Sun, 20/05/2018 - 09:00

What lies at the bottom of What lies at the bottom of


Sakurajima Volcano with Lightning

Sat, 19/05/2018 - 07:00

Why does a volcanic eruption sometimes create lightning? Why does a volcanic eruption sometimes create lightning?


A Plurality of Singularities at the Galactic Center

Fri, 18/05/2018 - 06:00

A recent informal poll found that astronomers don't yet have a good A recent informal poll found that astronomers don't yet have a good


NGC 1360: The Robin's Egg Nebula

Thu, 17/05/2018 - 17:00

 The Robin's Egg Nebula NGC 1360: The Robin's Egg Nebula


Galaxies in the River

Wed, 16/05/2018 - 15:00

Large galaxies grow by eating small ones. Large galaxies grow by eating small ones.


The Red Rectangle Nebula from Hubble

Tue, 15/05/2018 - 13:00

How was the unusual Red Rectangle nebula created? How was the unusual Red Rectangle nebula created?


The Observable Universe

Mon, 14/05/2018 - 11:00

How far can you see? How far can you see?


The Unusual Boulder at Tychos Peak

Sun, 13/05/2018 - 09:00

Why is there a large boulder near the center of Tycho's peak? Why is there a large boulder near the center of Tycho's peak?


Meteors, Planes, and a Galaxy over Bryce Canyon

Sat, 12/05/2018 - 07:00

Sometimes land and sky are both busy and beautiful. Sometimes land and sky are both busy and beautiful.


Stickney Crater

Fri, 11/05/2018 - 06:00

Stickney Crater, the largest crater on the martian moon Phobos, Stickney Crater, the largest crater on the martian moon Phobos,


The View Toward M101

Thu, 10/05/2018 - 17:00

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


Opposite the Setting Sun

Wed, 09/05/2018 - 15:00

On April 30, a On April 30, a


Moon Halo over Stone Circle

Tue, 08/05/2018 - 13:00

Have you ever seen a halo around the Have you ever seen a halo around the


The Aurora and the Sunrise

Mon, 07/05/2018 - 12:00

On the International Space Station (ISS), On the International Space Station (ISS),


Total Solar Eclipse Corona in HDR

Sun, 06/05/2018 - 10:00

How great was the How great was the