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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

The Tarantula Nebula


The Tarantula Nebula

A Supernova through Galaxy Dust


A Supernova through Galaxy Dust

Where Your Shadow Has Company


Where Your Shadow Has Company

Milky Way over the Pinnacles in Australia


Milky Way over the Pinnacles in Australia

White Rock Fingers on Mars


White Rock Fingers on Mars

Galaxies in the River


Galaxies in the River

Massive Stars in NGC 6357


Massive Stars in NGC 6357

MWC 922


MWC 922: The Red Square Nebula

An Airglow Fan from Lake to Sky


An Airglow Fan from Lake to Sky

A Candidate for the Biggest Boom Yet Seen


A Candidate for the Biggest Boom Yet Seen

The Lagoon Nebula in Hydrogen Sulfur and Oxygen


The Lagoon Nebula in Hydrogen, Sulfur, and Oxygen

Comet Catalina Tails


Comet Catalina Tails

Doomed Star Eta Carinae


Doomed Star Eta Carinae

Southern Craters and Galaxies


Southern Craters and Galaxies

Geminid Meteors over Xinglong Observatory


Geminid Meteors over Xinglong Observatory

Geminid Meteors over Xinglong Observatory


Geminid Meteors over Xinglong Observatory

Colorful Arcs over Buenos Aires


Colorful Arcs over Buenos Aires

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Pluto


Pluto: From Mountains to Plains

When Gemini Sends Stars to Paranal


When Gemini Sends Stars to Paranal

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