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Astronomy Picture of the Day

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Astronomy Picture of the Day
Updated: 16 hours 20 min ago

Celestial Alignment over Sicilian Shore

Tue, 03/05/2019 - 18:09

This was a sunrise to remember.


The Orion Bullets

Mon, 03/04/2019 - 18:09

Why are bullets of gas shooting out of the Orion Nebula?


NGC 6302: The Butterfly Nebula

Sun, 03/03/2019 - 18:04

The bright clusters and nebulae of planet Earth's night sky are often


A Charioteer s Comet

Sat, 03/02/2019 - 18:01

A Charioteer s Comet


Sharpest Ultima Thule

Fri, 03/01/2019 - 17:58

On January 1, New Horizons swooped to within 3,500 kilometers of the


Magnetic Orion

Thu, 02/28/2019 - 17:57

Can magnetism affect how stars form?


Simulation TNG50: A Galaxy Cluster Forms

Wed, 02/27/2019 - 17:55

How do clusters of galaxies form?


Red Sprite Lightning over Kununurra

Tue, 02/26/2019 - 17:48

What are those red filaments in the sky?


The Expanding Echoes of Supernova 1987A

Mon, 02/25/2019 - 17:42

Can you find supernova 1987A?


The Stars of the Triangulum Galaxy

Sun, 02/24/2019 - 17:42

The Stars of the Triangulum Galaxy


NGC 4565: Galaxy on Edge

Sat, 02/23/2019 - 17:41

Magnificent spiral galaxy


Reflections on vdB 9

Fri, 02/22/2019 - 17:40

Centered in a well-composed celestial still life, pretty,


Doomed Star Eta Carinae

Thu, 02/21/2019 - 17:39

Eta Carinae may be about to explode.


Comet Iwamoto Before Spiral Galaxy NGC 2903

Wed, 02/20/2019 - 17:38

It isn't every night that a comet passes a galaxy.


Dragon Aurora over Iceland

Tue, 02/19/2019 - 17:32

Have you ever seen a dragon in the sky?


Shadow of a Martian Robot

Mon, 02/18/2019 - 17:31

What if you saw your shadow on Mars and it wasn't


NGC 2359: Thor s Helmet

Sun, 02/17/2019 - 17:31

NGC 2359 is a helmet-shaped cosmic cloud with


Opportunity at Perseverance Valley

Sat, 02/16/2019 - 17:30

Opportunity at Perseverance Valley


Solar System Family Portrait

Fri, 02/15/2019 - 17:27

Solar System Family Portrait


The Helix Nebula in Hydrogen and Oxygen

Thu, 02/14/2019 - 17:26

Is the Helix Nebula looking at you?


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