Astronomy Picture of the Day

A September Morning Sky


The Moon, three planets, and a bright star gathered near the ecliptic plane in the September 18 morning sky over Veszprem Castle, Hungary. In this ...

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The Big Corona


Most photographs don't adequately portray the magnificence of the Sun's corona. Seeing the corona first-hand during a total solar eclipse is ...

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Veil Nebula: Wisps of an Exploded Star


Wisps like this are all that remain visible of a Milky Way star. About 7,000 years ago that star exploded in a supernova leaving the Veil Nebula. ...

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Orion above Easter Island


Why were the statues on Easter Island built? No one is sure. What is sure is that over 800 large stone statues exist there. The Easter Island ...

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Bright Spiral Galaxy M81


One of the brightest galaxies in planet Earth's sky is similar in size to our Milky Way Galaxy: big, beautiful M81. This grand spiral galaxy can ...

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Cassini's Final Image


As planned, the Cassini spacecraft impacted the upper atmosphere of Saturn on September 15, after a 13 year long exploration of the Saturnian ...

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100 Steps Forward


A beautiful conjunction of Venus and Moon, human, sand, and Milky Way is depicted in this night skyscape from planet Earth. The scene is a ...

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Flare Well AR2673


Almost out of view from our fair planet, rotating around the Sun's western edge giant active region AR2673 lashed out with another intense solar ...

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NGC 6334: The Cat's Paw Nebula


Nebulas are perhaps as famous for being identified with familiar shapes as perhaps cats are for getting into trouble. Still, no known cat could ...

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A Total Solar Eclipse Close-Up in Real Time


How would you feel if the Sun disappeared? Many eclipse watchers across the USA surprised themselves with the awe that they felt and the ...

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