"The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything so peripheral as some complicated molecular structure on a minor planet orbiting a very average star in the outer suburbs of a fairly typical galaxy."

— Steven Hawking

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Astronomy Picture of the Day
Updated: 22 hours 22 min ago

Circumpolar Star Trails

Sat, 01/19/2019 - 12:00pm

Circumpolar Star Trails


Categories: Astronomy, NASA

Cabin Under the Stars

Sat, 01/19/2019 - 12:00pm

Gocka's, a family nickname for the mountain cabin,


Categories: Astronomy, NASA

IC 342: The Hidden Galaxy

Sat, 01/19/2019 - 12:00pm

IC 342: The Hidden Galaxy


Categories: Astronomy, NASA

The Heart and Soul Nebulas

Sat, 01/19/2019 - 12:00pm

Is the heart and soul of our Galaxy located in


Categories: Astronomy, NASA

Meteor and Milky Way over the Alps

Sat, 01/19/2019 - 12:00pm

Now this was a view with a thrill.


Categories: Astronomy, NASA

Tycho Supernova Remnant in X-ray

Sat, 01/19/2019 - 12:00pm

What star created this huge puffball?


Categories: Astronomy, NASA

Total Lunar Eclipse at Moonset

Sat, 01/19/2019 - 12:00pm

The Moon slid


Categories: Astronomy, NASA

Milky Way Falls

Fri, 01/18/2019 - 8:00am

Milky Way Falls


Categories: Astronomy, NASA

Partial Eclipse over Beijing

Thu, 01/17/2019 - 4:00am

On January 6 the New Moon rose in silhouette with the Sun


Categories: Astronomy, NASA

Vela Supernova Remnant Mosaic

Wed, 01/16/2019 - 12:00am

The plane of our Milky Way Galaxy runs through this


Categories: Astronomy, NASA

Quadrantids

Wed, 01/16/2019 - 12:00am

Named for a


Categories: Astronomy, NASA

HESS Telescopes Explore the High Energy Sky

Mon, 01/14/2019 - 8:00pm

They may look like modern mechanical dinosaurs but they are enormous swiveling eyes that watch the sky.


Categories: Astronomy, NASA

Stars, Meteors, and a Comet in Taurus

Sun, 01/13/2019 - 4:00pm

This was an unusual night to look in the direction of the Bull.


Categories: Astronomy, NASA

A Laser Strike at the Galactic Center

Sat, 01/12/2019 - 12:00pm

Why are these people shooting a powerful laser into the center of our Galaxy?


Categories: Astronomy, NASA

Yutu 2 on the Farside

Fri, 01/11/2019 - 8:00am

Yutu 2 on the Farside


Categories: Astronomy, NASA

Ultima Thule Rotation Gif

Thu, 01/10/2019 - 4:00am

Ultima Thule Rotation Gif


Categories: Astronomy, NASA

Ultima and Thule

Wed, 01/09/2019 - 12:00am

On January 1


Categories: Astronomy, NASA

The Orion Nebula in Infrared from WISE

Wed, 01/09/2019 - 12:00am

The Great Nebula in Orion is an intriguing place.


Categories: Astronomy, NASA

The Sombrero Galaxy in Infrared

Mon, 01/07/2019 - 8:00pm

This floating ring is the size of a galaxy.


Categories: Astronomy, NASA

The Witch Head Nebula

Sun, 01/06/2019 - 4:00pm

The Witch Head Nebula


Categories: Astronomy, NASA