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Astronomy Picture of the Day
Updated: 8 hours 7 min ago

NGC 1672: Barred Spiral Galaxy from Hubble

Mon, 15/10/2018 - 11:00

Many spiral galaxies have bars across their centers.  Many spiral galaxies have bars across their centers.


Comet 21P Between Rosette and Cone Nebulas

Sun, 14/10/2018 - 09:00

Small bits of this greenish-gray comet are expected to streak across Earth's atmosphere tonight. Small bits of this greenish-gray comet are expected to streak across Earth's atmosphere tonight.


The Scale of the Universe Interactive

Sat, 13/10/2018 - 07:00

What does the universe look like on small scales? What does the universe look like on small scales?


Aurora: The Frog's View

Fri, 12/10/2018 - 05:00

 The Frog's View Aurora: The Frog's View


The Last Days of Venus as the Evening Star

Thu, 11/10/2018 - 16:00

The Last Days of Venus as the Evening Star The Last Days of Venus as the Evening Star


Opportunity After the Storm

Wed, 10/10/2018 - 14:00

Opportunity After the Storm Opportunity After the Storm


NGC 1898: Globular Cluster in the LMC

Tue, 09/10/2018 - 12:00

Jewels don't shine this bright -- only stars do. Jewels don't shine this bright -- only stars do.


Supernumerary Rainbows over New Jersey

Mon, 08/10/2018 - 10:00

Yes, but can your rainbow do this? Yes, but can your rainbow do this?


The First Rocket Launch from Cape Canaveral

Sun, 07/10/2018 - 08:00

A new chapter in space flight began in 1950 with the A new chapter in space flight began in 1950 with the


The Lonely Neutron Star in Supernova E0102 72.3

Sat, 06/10/2018 - 06:00

Why is this neutron star off-center? Why is this neutron star off-center?


55 Nights with Saturn

Fri, 05/10/2018 - 17:00

55 Nights with Saturn 55 Nights with Saturn


The Light, the Dark, and the Dusty

Thu, 04/10/2018 - 15:00

This colorful skyscape spans about two full moons across nebula rich This colorful skyscape spans about two full moons across nebula rich


M33: Triangulum Galaxy

Wed, 03/10/2018 - 13:00

The small, northern constellation The small, northern constellation


The Sun's Spectrum with its Missing Colors

Tue, 02/10/2018 - 11:00

It is still not known why the Sun's light is missing some colors. It is still not known why the Sun's light is missing some colors.


Highlights of the North Autumn Sky

Mon, 01/10/2018 - 10:00

Highlights of the North Autumn Sky Highlights of the North Autumn Sky


Rover 1A Hops on Asteroid Ryugu

Sun, 30/09/2018 - 08:00

Two small robots have begun hopping around the surface of asteroid Ryugu. Two small robots have begun hopping around the surface of asteroid Ryugu.


Equinox: Analemma over the Callanish Stones

Sat, 29/09/2018 - 06:00

Does the Sun return to the same spot on the sky every day at the same time? Does the Sun return to the same spot on the sky every day at the same time?


Window Seat over Hudson Bay

Fri, 28/09/2018 - 17:00

On the August 18 night flight from San Francisco to Zurich, On the August 18 night flight from San Francisco to Zurich,


Irregular Galaxy NGC 55

Thu, 27/09/2018 - 15:00

Irregular galaxy NGC 55 is thought to be similar to the Large Magellanic Irregular galaxy NGC 55 is thought to be similar to the Large Magellanic


Stars and Dust in Corona Australis

Wed, 26/09/2018 - 14:00

Cosmic dust clouds and young, energetic stars Cosmic dust clouds and young, energetic stars