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Astronomy Picture of the Day
Updated: 9 hours 47 min ago

Mercurys Transit: An Unusual Spot on the Sun

Mon, 05/09/2016 - 9:07am

What's that dot on the Sun? What's that dot on the Sun?


Three Worlds for TRAPPIST 1

Sun, 05/08/2016 - 9:07am

Three Worlds for TRAPPIST 1 Three Worlds for TRAPPIST 1


NGC 7023: The Iris Nebula

Sat, 05/07/2016 - 9:07am

These cosmic clouds have blossomed 1,300 light-years away, These cosmic clouds have blossomed 1,300 light-years away,


The SONG and the Hunter

Fri, 05/06/2016 - 9:07am

Near first quarter, the Moon in March lights this snowy, Near first quarter, the Moon in March lights this snowy,


A Mercury Transit Sequence

Thu, 05/05/2016 - 9:07am

This coming Monday, This coming Monday,


Aurora over Sweden

Wed, 05/04/2016 - 9:07am

It was bright and green and stretched across the sky. It was bright and green and stretched across the sky.


Crossing Mars

Tue, 05/03/2016 - 9:07am

Where is NASA's rover Curiosity going on Mars? Where is NASA's rover Curiosity going on Mars?


Contemplating the Sun

Mon, 05/02/2016 - 9:07am

Have you contemplated your home star recently? Have you contemplated your home star recently?


Moon over Makemake

Sun, 05/01/2016 - 9:07am

Moon over Makemake Moon over Makemake


Fermi's Gamma-ray Moon

Sun, 05/01/2016 - 9:07am

If you could only see If you could only see


A Dust Angel Nebula

Fri, 04/29/2016 - 9:07am

The combined light of The combined light of


Omega Centauri: The Brightest Globular Star Cluster

Thu, 04/28/2016 - 9:07am

This huge ball of stars predates our Sun. This huge ball of stars predates our Sun.


NGC 6872: A Stretched Spiral Galaxy

Wed, 04/27/2016 - 9:07am

What makes this spiral galaxy so long?  What makes this spiral galaxy so long?


Simeis 147: Supernova Remnant

Tue, 04/26/2016 - 9:07am

It's easy to get lost following the intricate strands of the Spaghetti Nebula. It's easy to get lost following the intricate strands of the Spaghetti Nebula.


M16: Pillars of Star Creation

Tue, 04/26/2016 - 9:07am

Newborn stars are forming in the Eagle Nebula.  Newborn stars are forming in the Eagle Nebula.


Milky Way in Moonlight

Tue, 04/26/2016 - 9:07am

A waning crescent moon, early morning twilight, and A waning crescent moon, early morning twilight, and


NGC 7635: The Bubble Nebula

Tue, 04/26/2016 - 9:07am

Blown by the wind from a massive star, this interstellar Blown by the wind from a massive star, this interstellar


The Comet, the Owl, and the Galaxy

Tue, 04/26/2016 - 9:07am

The Comet, the Owl, and the Galaxy The Comet, the Owl, and the Galaxy


Galaxy Einstein Ring

Tue, 04/26/2016 - 9:07am

Can one galaxy hide behind another?  Can one galaxy hide behind another?


Asperatus Clouds Over New Zealand

Mon, 04/18/2016 - 9:07am

What kind of clouds are these? What kind of clouds are these?


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