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Astronomy Picture of the Day
Updated: 1 hour 21 min ago

How to Wash Your Hair in Space

Thu, 12/21/2017 - 9:07am

How can you wash your hair in space -- without How can you wash your hair in space -- without


The Spiral North Pole of Mars

Wed, 12/20/2017 - 9:07am

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


The Kepler 90 Planetary System

Tue, 12/19/2017 - 9:07am

Do other stars have planetary systems like our own? Do other stars have planetary systems like our own?


The Einstein Cross Gravitational Lens

Mon, 12/18/2017 - 9:07am

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


A Wintry Shower

Sun, 12/17/2017 - 9:07am

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


Geminids of the North

Sat, 12/16/2017 - 9:07am

Geminids of the North Geminids of the North


Jupiter Diving

Fri, 12/15/2017 - 9:07am

Jupiter Diving Jupiter Diving


Meteors over Inner Mongolia

Thu, 12/14/2017 - 9:07am

Did you ever get caught in a meteor shower? Did you ever get caught in a meteor shower?


Highlights of the Winter Sky

Wed, 12/13/2017 - 9:07am

Highlights of the Winter Sky Highlights of the Winter Sky


Highlights of the Winter Sky

Tue, 12/12/2017 - 9:07am

Highlights of the Winter Sky Highlights of the Winter Sky


Mercury Visualized from MESSENGER

Tue, 12/12/2017 - 9:07am

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


In Green Company: Aurora over Norway

Mon, 12/11/2017 - 9:07am

Raise your arms if you see an aurora. Raise your arms if you see an aurora.


Stardust in Aries

Sun, 12/10/2017 - 9:07am

This composition in This composition in


Alpine Superga Moonset

Sat, 12/09/2017 - 9:07am

December's Full Moon phase occurred near December's Full Moon phase occurred near


All the Eclipses of 2017

Fri, 12/08/2017 - 9:07am

All the Eclipses of 2017 All the Eclipses of 2017


HH 666: Carina Dust Pillar with Jet

Thu, 12/07/2017 - 9:07am

To some, it may To some, it may


A Horizon with Blue and Red

Wed, 12/06/2017 - 9:07am

What's happening on the horizon? What's happening on the horizon?


Earth and Moon

Tue, 12/05/2017 - 9:07am

On rare occasions, the Earth and Moon are photographed together. On rare occasions, the Earth and Moon are photographed together.


Full Moon Silhouettes

Mon, 12/04/2017 - 9:07am

Have you ever watched the Moon rise? Have you ever watched the Moon rise?


Messier Craters in Stereo

Sun, 12/03/2017 - 9:07am

Many bright nebulae and star clusters in planet Earth's sky Many bright nebulae and star clusters in planet Earth's sky


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