There are many worlds and many systems of Universes existing all at the same time, all of them perishable.

— Anaximander 546 BC

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Astronomy Picture of the Day
Updated: 16 hours 17 min ago

Anticrepuscular Rays Converge Opposite the Sun

Tue, 06/25/2019 - 8:00pm

Anticrepuscular Rays Converge Opposite the Sun


Categories: Astronomy, NASA

Carina Nebula Panorama from Hubble

Tue, 06/25/2019 - 8:00pm

How do violent stars affect their surroundings?


Categories: Astronomy, NASA

Ares 3 Landing Site: The Martian Revisited

Tue, 06/25/2019 - 8:00pm

Ares 3 Landing Site: The Martian Revisited


Categories: Astronomy, NASA

Sunset Analemma

Tue, 06/25/2019 - 8:00pm

Today, the


Categories: Astronomy, NASA

A View Toward M106

Tue, 06/25/2019 - 8:00pm

Big, bright, beautiful


Categories: Astronomy, NASA

Our Galaxys Magnetic Center

Tue, 06/25/2019 - 8:00pm

What's the magnetic field like in the center of our Milky Way Galaxy?


Categories: Astronomy, NASA

25 Brightest Stars in the Night Sky

Tue, 06/25/2019 - 8:00pm

Do you know the names of some of the brightest stars?


Categories: Astronomy, NASA

Strawberry Moon over the Temple of Poseidon

Mon, 06/24/2019 - 4:00pm

Did you see the full moon last night?


Categories: Astronomy, NASA

Milky Way over Pyramid of the Feathered Serpent

Sun, 06/23/2019 - 12:00pm

To see the feathered serpent


Categories: Astronomy, NASA

Unusual Mountain Ahuna Mons on Asteroid Ceres

Sat, 06/22/2019 - 8:00am

What created this unusual mountain?


Categories: Astronomy, NASA

Stereo Helene

Fri, 06/21/2019 - 4:00am

Get out your


Categories: Astronomy, NASA

NGC 4676: The Mighty Mice

Thu, 06/20/2019 - 12:00am

NGC 4676: The Mighty Mice


Categories: Astronomy, NASA

The Colors and Magnitudes of M13

Thu, 06/20/2019 - 12:00am

The Colors and Magnitudes of M13


Categories: Astronomy, NASA

Spiral Galaxy M96 from Hubble

Tue, 06/18/2019 - 8:00pm

Dust lanes seem to swirl around the core of


Categories: Astronomy, NASA

The Cave Nebula in Infrared from Spitzer

Mon, 06/17/2019 - 4:00pm

What's happening in and around the Cave Nebula?


Categories: Astronomy, NASA

Jupiter Abyss

Sun, 06/16/2019 - 12:00pm

What's that black spot on Jupiter?


Categories: Astronomy, NASA

A Triangular Shadow of a Large Volcano

Sat, 06/15/2019 - 8:00am

Why does the shadow of this volcano look like a triangle?


Categories: Astronomy, NASA

On the Beach with Mars

Fri, 06/14/2019 - 4:00am

At the end of last year's northern summer, after its dazzling


Categories: Astronomy, NASA

The Planet and the Pipe

Thu, 06/13/2019 - 12:00am

Now posing against our galaxy's rich starfields and nebulae, brilliant


Categories: Astronomy, NASA

Messier 63: The Sunflower Galaxy

Thu, 06/13/2019 - 12:00am

A bright spiral galaxy of the northern sky,


Categories: Astronomy, NASA