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Astronomy Picture of the Day

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Astronomy Picture of the Day
Updated: 23 hours 36 min ago

NGC 7789: Caroline's Rose

Fri, 11/17/2017 - 00:00

Found among the rich starfields of the Milky Way,


The Pleiades Deep and Dusty

Wed, 11/15/2017 - 22:58

The well-known Pleiades star cluster is slowly destroying part of a passing cloud of


Comet Machholz Approaches the Sun

Tue, 11/14/2017 - 22:05

Why is Comet Maccholz so depleted of carbon-containing chemicals?


A Happy Sky over Los Angeles

Mon, 11/13/2017 - 21:44

Sometimes, the sky may seem to smile over much of planet Earth.


A Colourful Moon

Sun, 11/12/2017 - 21:31

A Colourful Moon


Williamina Fleming's Triangular Wisp

Sat, 11/11/2017 - 20:11

Williamina Fleming's Triangular Wisp


NGC 1055 Close up

Sat, 11/11/2017 - 20:11

Big, beautiful spiral galaxy NGC 1055 is a dominant member of


NGC 2261: Hubble s Variable Nebula

Sat, 11/11/2017 - 20:11

What causes Hubble's Variable Nebula to vary?


The Prague Astronomical Clock

Sat, 11/11/2017 - 20:11

In the center of Prague there's a clock the size of a building.


A Dust Jet from the Surface of Comet 67P

Sat, 11/11/2017 - 20:11

Where do comet tails come from?


A Year of Full Moons

Sat, 11/11/2017 - 20:11

Do all full moons look the same?


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