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Astronomy Picture of the Day

Arches of Spring

Arches of Spring

Pandora Close-up at Saturn

Meteors over Four Girls Mountain

Galaxies in Pegasus

A Triple Star is Born

Nova over Thailand

The Cosmic Web of the Tarantula Nebula

Arp 299: Black Holes in Colliding Galaxies

M45: The Pleiades Star Cluster

Trifid, Lagoon, and Mars

The Wide and Deep Lagoon

Annular Solar Eclipse over New Mexico

Perseid, Aurora, and Noctilucent Clouds

Perseid Meteors over Mount Shasta

Puzzling a Sky over Argentina

Peering deep into the heart of the Crab Nebula. New images from the Hubble Space Telescope:

M7: Open Star Cluster in Scorpius

The Colorful Clouds of Rho Ophiuchi

The Fornax Cluster of Galaxies

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