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Astronomy Picture of the Day
Updated: 6 hours 36 min ago

NGC 2442: Galaxy in Volans

Fri, 18/08/2017 - 07:00

 Galaxy in Volans NGC 2442: Galaxy in Volans


Perseid by the Sea

Fri, 18/08/2017 - 07:00

Just after moonrise on August 12 this grain of cosmic sand Just after moonrise on August 12 this grain of cosmic sand


Stars, Gas, and Dust Battle in the Carina Nebula

Fri, 18/08/2017 - 07:00

Chaos reigns in the Carina Nebula where massive stars form and die. Chaos reigns in the Carina Nebula where massive stars form and die.


Charon Flyover from New Horizons

Fri, 18/08/2017 - 07:00

What if you could fly over Pluto's moon Charon -- what might you see? What if you could fly over Pluto's moon Charon -- what might you see?


Detailed View of a Solar Eclipse Corona

Fri, 18/08/2017 - 07:00

Only in the fleeting darkness of a total solar eclipse is the Only in the fleeting darkness of a total solar eclipse is the


A Day in the Life of a Human Sundial

Fri, 18/08/2017 - 07:00

Have you ever wanted to be a gnomon? Have you ever wanted to be a gnomon?


Perseids over the Pyrenees

Fri, 18/08/2017 - 07:00

Perseids over the Pyrenees Perseids over the Pyrenees


A Total Solar Eclipse of Saros 145

Thu, 17/08/2017 - 06:00

A darkened sky holds bright planet Venus, the New Moon in A darkened sky holds bright planet Venus, the New Moon in


Night of the Perseids

Wed, 16/08/2017 - 17:00

Night of the Perseids Night of the Perseids


August's Lunar Eclipse

Tue, 15/08/2017 - 15:00

August's Full Moon is framed in this sharp, August's Full Moon is framed in this sharp,


Density Waves in Saturn's Rings from Cassini

Mon, 14/08/2017 - 13:00

What causes the patterns in Saturn's rings?  What causes the patterns in Saturn's rings?


Spiral Galaxy NGC 1512: The Inner Ring

Sun, 13/08/2017 - 12:00

Most galaxies don't have any rings -- why does this galaxy have two? Most galaxies don't have any rings -- why does this galaxy have two?


Milky Way and Exploding Meteor

Sat, 12/08/2017 - 10:00

Next weekend the Next weekend the


Gravity's Grin

Fri, 11/08/2017 - 08:00

Gravity's Grin Gravity's Grin


North North Temperate Zone Little Red Spot

Thu, 10/08/2017 - 07:00

On July 11, the Juno spacecraft once again swung near On July 11, the Juno spacecraft once again swung near


Pelican Nebula Close Up

Wed, 09/08/2017 - 18:00

The prominent ridge of emission featured in The prominent ridge of emission featured in


The Dust Monster in IC 1396

Tue, 08/08/2017 - 16:00

The Dust Monster in IC 1396  The Dust Monster in IC 1396


Perseid Meteors over Turkey

Mon, 07/08/2017 - 14:00

The Perseid Meteor Shower, usually the best meteor shower of the year, will peak late next week.   The Perseid Meteor Shower, usually the best meteor shower of the year, will peak late next week.


Pluto Flyover from New Horizons

Sun, 06/08/2017 - 12:00

What if you could fly over Pluto -- what might you see? What if you could fly over Pluto -- what might you see?


A Total Eclipse at the End of the World

Sat, 05/08/2017 - 10:00

Would you go to the end of the world to see a total eclipse of the Sun? Would you go to the end of the world to see a total eclipse of the Sun?