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Astronomy Picture of the Day
Updated: 1 hour 6 min ago

Red Cloudbow over Delaware

Tue, 19/06/2018 - 17:00

What kind of rainbow is this? What kind of rainbow is this?


Star Size Comparison 2

Mon, 18/06/2018 - 15:00

How big is our Sun compared to other stars? How big is our Sun compared to other stars?


At Last GLAST

Sun, 17/06/2018 - 13:00

Rising through a billowing cloud of smoke, Rising through a billowing cloud of smoke,


The Cat's Eye Nebula from Hubble

Sat, 16/06/2018 - 11:00

To some, it may look like a cat's eye. To some, it may look like a cat's eye.


Countryside Mars and Milky Way

Fri, 15/06/2018 - 09:00

Countryside Mars and Milky Way Countryside Mars and Milky Way


Fermi Science Playoffs

Thu, 14/06/2018 - 07:00

Fermi Science Playoffs Fermi Science Playoffs


The Clash of NGC 3256

Wed, 13/06/2018 - 18:00

Marked by an unusually bright central region, swirling dust lanes, Marked by an unusually bright central region, swirling dust lanes,


A Sun Pillar over Norway

Tue, 12/06/2018 - 16:00

A Sun Pillar over Norway A Sun Pillar over Norway


Complex Jupiter

Mon, 11/06/2018 - 14:00

How complex is Jupiter? How complex is Jupiter?


Moon Setting Behind Teide Volcano

Sun, 10/06/2018 - 12:00

These people are not in danger. These people are not in danger.


Saturn's Iapetus: Painted Moon

Sat, 09/06/2018 - 10:00

What has happened to Saturn's moon Iapetus?  What has happened to Saturn's moon Iapetus?


Jupiter Season, Hawaiian Sky

Fri, 08/06/2018 - 08:00

Jupiter Season, Hawaiian Sky Jupiter Season, Hawaiian Sky


Mars Approach

Thu, 07/06/2018 - 06:00

Since the distance from Earth to Mars changes drastically as Since the distance from Earth to Mars changes drastically as


NGC 6744 Close Up

Wed, 06/06/2018 - 17:00

Beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years Beautiful spiral galaxy NGC 6744 is nearly 175,000 light-years


The Case of the Backwards Orbiting Asteroid

Tue, 05/06/2018 - 15:00

Why does asteroid 2015 BZ509 orbit the Sun the backwards? Why does asteroid 2015 BZ509 orbit the Sun the backwards?


Aurora and Manicouagan Crater from the Space Station

Mon, 04/06/2018 - 13:00

 an aurora, airglow, one of the oldest impact craters on the Earth, snow and ice, stars, city lights, and part of the International Space Station? How many of these can you find in today's featured photograph: an aurora, airglow, one of the oldest impact craters on the Earth, snow and ice, stars, city lights, and part of the International Space Station?


Seven Dusty Sisters

Sun, 03/06/2018 - 11:00

Is this really the famous Pleaides star cluster? Is this really the famous Pleaides star cluster?


Coronal Rain on the Sun

Sat, 02/06/2018 - 09:00

Does it rain on the Does it rain on the