The space of night is infinite,
The blackness and emptiness
Crossed only by thin bright fences
Of logic

— Kenneth Rexroth
"Theory of Numbers"

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Astronomy Picture of the Day
Updated: 4 hours 33 sec ago

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4 hours 33 sec ago

Telescopic views of Saturn and its beautiful rings


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4 hours 33 sec ago

Newborn stars are forming in the Eagle Nebula.


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4 hours 33 sec ago

What is so micro about tonight's blue micromoon?


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4 hours 33 sec ago

A gorgeous spiral galaxy,


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4 hours 33 sec ago

What do you see in this crystal ball?


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4 hours 33 sec ago

What is a pair of headphones doing in the sky? Today’s image features the Headphone Nebula, also known as


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4 hours 33 sec ago

The explosion is over, but the consequences continue.


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Mon, 06/01/2026 - 4:00pm

The upper galaxy might be more photogenic, but the lower galaxy is more unusual.


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Sun, 05/31/2026 - 12:00pm

What are these strange space globs?


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Sat, 05/30/2026 - 8:00am

What's that passing in front of the Sun?


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Fri, 05/29/2026 - 4:00am


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Thu, 05/28/2026 - 12:00am


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Thu, 05/28/2026 - 12:00am


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Tue, 05/26/2026 - 8:00pm

A dark wolf lies in gum. No, this isn’t a riddle!


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Mon, 05/25/2026 - 4:00pm

Is this a painting or a photograph?


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Sun, 05/24/2026 - 12:00pm

Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic


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Sat, 05/23/2026 - 8:00am

Across the center of this spiral galaxy is a


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Fri, 05/22/2026 - 4:00am

Like salsa verde on your favorite burrito, a green


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Thu, 05/21/2026 - 12:00am

Comet R3 PanSTARRS might be best remembered as an Orion comet.


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Thu, 05/21/2026 - 12:00am

What are some of the most interesting astronomical objects you can see in the night sky?


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