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Astronomy Picture of the Day

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Astronomy Picture of the Day
Updated: 14 hours 52 min ago

M78 Wide Field

Sat, 12/30/2017 - 03:07

M78 Wide Field


Recycling Cassiopeia A

Fri, 12/29/2017 - 03:02

Massive stars in our Milky Way Galaxy live spectacular lives.


The Horsehead Nebula

Thu, 12/28/2017 - 02:48

One of the most identifiable nebulae in the sky,


Grand Spiral Galaxy NGC 1232

Wed, 12/27/2017 - 01:16

Grand Spiral Galaxy NGC 1232


Fireball in the Arctic

Wed, 12/27/2017 - 01:16

Something very bright suddenly lit up the arctic -- what was it?


SpaceX Rocket Launch Plume over California

Mon, 12/25/2017 - 23:18

What's happened to the sky?


Phaethon s Brood

Sun, 12/24/2017 - 21:46

Based on its well-measured orbit,


Gemini's Meteors

Sat, 12/23/2017 - 21:45

Gemini's Meteors


Solstice Sun and Milky Way

Fri, 12/22/2017 - 19:54

Solstice Sun and Milky Way


How to Wash Your Hair in Space

Thu, 12/21/2017 - 18:41

How can you wash your hair in space -- without


The Spiral North Pole of Mars

Wed, 12/20/2017 - 15:24

Why is there a spiral around the North Pole of Mars?


The Kepler 90 Planetary System

Tue, 12/19/2017 - 14:48

Do other stars have planetary systems like our own?


The Einstein Cross Gravitational Lens

Mon, 12/18/2017 - 14:43

Most galaxies have a single nucleus -- does this galaxy have four?


A Wintry Shower

Sun, 12/17/2017 - 13:42

Four Geminids flash through northern skies in this wintry night skyscape.


Geminids of the North

Sat, 12/16/2017 - 13:02

Geminids of the North


Jupiter Diving

Fri, 12/15/2017 - 10:37

Jupiter Diving


Meteors over Inner Mongolia

Thu, 12/14/2017 - 07:26

Did you ever get caught in a meteor shower?


Highlights of the Winter Sky

Wed, 12/13/2017 - 07:11

Highlights of the Winter Sky


Highlights of the Winter Sky

Tue, 12/12/2017 - 06:55

Highlights of the Winter Sky


Mercury Visualized from MESSENGER

Tue, 12/12/2017 - 06:55

What would it be like to fly over the planet Mercury?


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