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Astronomy Picture of the Day
Updated: 1 hour 11 min ago

The Rise and Fall of Supernova 2015F

8 hours 11 min ago

Sit back and watch a star explode. Sit back and watch a star explode.


Light Pillars over Alaska

8 hours 11 min ago

What's happening behind those houses? What's happening behind those houses?


Advanced LIGO: Gravitational Wave Detectors Upgraded

8 hours 11 min ago

Accelerate a charge and you'll get Accelerate a charge and you'll get


Five Planets at Castell de Burriac

8 hours 11 min ago

Five Planets at Castell de Burriac Five Planets at Castell de Burriac


Massive Stars in NGC 6357

8 hours 11 min ago

Massive Stars in NGC 6357 Massive Stars in NGC 6357


Dwarf Planet Ceres

8 hours 11 min ago

Dwarf Planet Ceres Dwarf Planet Ceres


Galaxies in the River

8 hours 11 min ago

Large galaxies grow by eating small ones. Large galaxies grow by eating small ones.


Galaxy Wars: M81 versus M82

Tue, 02/09/2016 - 02:42

In the lower left corner, surrounded by blue spiral arms, is spiral galaxy In the lower left corner, surrounded by blue spiral arms, is spiral galaxy


Comet 67P from Spacecraft Rosetta

Mon, 02/08/2016 - 05:42

Spacecraft Rosetta continues to circle and map Comet Churyumov-Gerasimenko. Spacecraft Rosetta continues to circle and map Comet Churyumov-Gerasimenko.


Find the Man in the Moon

Sun, 02/07/2016 - 01:42

Have you ever seen the Man in the Moon? Have you ever seen the Man in the Moon?


MWC 922: The Red Square Nebula

Sat, 02/06/2016 - 04:42

What could cause a nebula to appear square? What could cause a nebula to appear square?


A Five Planet Dawn

Fri, 02/05/2016 - 01:42

As January closes and in the coming days of February, As January closes and in the coming days of February,


Hidden Galaxy IC 342

Thu, 02/04/2016 - 05:42

Hidden Galaxy IC 342 Hidden Galaxy IC 342


Elliptical M60, Spiral NGC 4647

Wed, 02/03/2016 - 01:42

Giant elliptical galaxy M60 and spiral galaxy NGC 4647 do look like Giant elliptical galaxy M60 and spiral galaxy NGC 4647 do look like


An Airglow Fan from Lake to Sky

Tue, 02/02/2016 - 04:42

Why would the sky look like a giant fan? Why would the sky look like a giant fan?


A Candidate for the Biggest Boom Yet Seen

Mon, 02/01/2016 - 01:42

It is a candidate for the brightest and most powerful explosion ever seen -- It is a candidate for the brightest and most powerful explosion ever seen --


Where Your Elements Came From

Sun, 01/31/2016 - 05:42

The hydrogen in your body, present in every molecule of water, came from the The hydrogen in your body, present in every molecule of water, came from the


Star Cluster R136 Bursts Out

Sat, 01/30/2016 - 01:42

In the center of star-forming region 30 Doradus lies a huge cluster In the center of star-forming region 30 Doradus lies a huge cluster


Big Dipper, Deep Sky

Fri, 01/29/2016 - 05:42

Big Dipper, Deep Sky Big Dipper, Deep Sky


21st Century M101

Thu, 01/28/2016 - 01:42

21st Century M101 21st Century M101