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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Charon


Charon: Moon of Pluto

Milky Way vs Airglow Australis


Milky Way vs Airglow Australis

Dual Particle Beams in Herbig-Haro 24


Dual Particle Beams in Herbig-Haro 24

Jupiter in Infrared from Hubble


Jupiter in Infrared from Hubble

Hubble s Messier 5


Hubble's Messier 5

Arches of Spring


Arches of Spring

Arches of Spring


Arches of Spring

Pandora Close-up at Saturn


Pandora Close-up at Saturn

Meteors over Four Girls Mountain


Meteors over Four Girls Mountain

Galaxies in Pegasus


Galaxies in Pegasus

A Triple Star is Born


A Triple Star is Born

Nova over Thailand


Nova over Thailand

The Cosmic Web of the Tarantula Nebula


The Cosmic Web of the Tarantula Nebula

Arp 299


Arp 299: Black Holes in Colliding Galaxies

M45


M45: The Pleiades Star Cluster

Trifid Lagoon and Mars


Trifid, Lagoon, and Mars

The Wide and Deep Lagoon


The Wide and Deep Lagoon

Annular Solar Eclipse over New Mexico


Annular Solar Eclipse over New Mexico

Perseid Aurora and Noctilucent Clouds


Perseid, Aurora, and Noctilucent Clouds

Perseid Meteors over Mount Shasta


Perseid Meteors over Mount Shasta

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