Astronomy Picture of the Day

A September Morning Sky

2017-09-21

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

2017-09-20

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

2017-09-19

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

2017-09-18

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

2017-09-17

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

2017-09-16

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

2017-09-15

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

2017-09-14

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

2017-09-13

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

2017-09-12

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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