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Titan: Moon over Saturn

Astronomy Picture of the Day - Sun, 05/27/2018 - 17:00

Like Earth's moon,


Galaxies Away

Astronomy Picture of the Day - Sat, 05/26/2018 - 16:38

This stunning group of galaxies is far, far away,


The Gum Nebula Expanse

Astronomy Picture of the Day - Fri, 05/25/2018 - 16:23

Named for a cosmic cloud hunter, Australian astronomer


Spiral Galaxy NGC 4038 in Collision

Astronomy Picture of the Day - Thu, 05/24/2018 - 15:52

This galaxy is having a bad millennium.


Craters and Shadows at the Lunar Terminator

Astronomy Picture of the Day - Wed, 05/23/2018 - 15:28

Why does the right part of this image of the Moon stand out?


Jupiter Cloud Animation from Juno

Astronomy Picture of the Day - Tue, 05/22/2018 - 15:14

How do Jupiter's clouds move?


In the Heart of the Tarantula Nebula

Astronomy Picture of the Day - Mon, 05/21/2018 - 14:41

In the heart of monstrous


Reflections of Venus and Moon

Astronomy Picture of the Day - Sun, 05/20/2018 - 14:38

Reflections of Venus and Moon


Attack of the Laser Guide Stars

Astronomy Picture of the Day - Sat, 05/19/2018 - 14:08

Attack of the Laser Guide Stars


Milky Way vs Airglow Australis

Astronomy Picture of the Day - Fri, 05/18/2018 - 11:34

Milky Way vs Airglow Australis


Rotation of the Large Magellanic Cloud

Astronomy Picture of the Day - Thu, 05/17/2018 - 10:58

This image is not blurry.


Kepler s House in Linz

Astronomy Picture of the Day - Wed, 05/16/2018 - 10:56

Four hundred years ago today


Saturns Hyperion in Natural Color

Astronomy Picture of the Day - Tue, 05/15/2018 - 10:51

What lies at the bottom of


Sakurajima Volcano with Lightning

Astronomy Picture of the Day - Mon, 05/14/2018 - 08:12

Why does a volcanic eruption sometimes create lightning?


A Plurality of Singularities at the Galactic Center

Astronomy Picture of the Day - Sun, 05/13/2018 - 05:29

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


NGC 1360: The Robin s Egg Nebula

Astronomy Picture of the Day - Sat, 05/12/2018 - 05:02

NGC 1360: The Robin s Egg Nebula


Galaxies in the River

Astronomy Picture of the Day - Fri, 05/11/2018 - 04:28

Large galaxies grow by eating small ones.


The Red Rectangle Nebula from Hubble

Astronomy Picture of the Day - Thu, 05/10/2018 - 04:26

How was the unusual Red Rectangle nebula created?


The Observable Universe

Astronomy Picture of the Day - Wed, 05/09/2018 - 04:23

How far can you see?


The Unusual Boulder at Tychos Peak

Astronomy Picture of the Day - Tue, 05/08/2018 - 04:12

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


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