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Astronomy Picture of the Day
Updated: 6 hours 17 min ago

Venus and Jupiter are Close

13 hours 17 min ago

On June 30, Venus and Jupiter were close in western skies at dusk. On June 30, Venus and Jupiter were close in western skies at dusk.


Venus, Jupiter, and Noctilucent Clouds

13 hours 17 min ago

Have you seen the passing planets yet? Have you seen the passing planets yet?


An Unusual Mountain on Asteroid Ceres

13 hours 17 min ago

What created this large mountain on asteroid Ceres? What created this large mountain on asteroid Ceres?


Sunspot Group AR 2339 Crosses the Sun

13 hours 17 min ago

How do sunspots evolve? How do sunspots evolve?


All the Colors of the Sun

13 hours 17 min ago

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.


Stars of a Summer Triangle

13 hours 17 min ago

Rising at the start of a northern summer's night, these Rising at the start of a northern summer's night, these


Venus and Jupiter are Far

13 hours 17 min ago

On June 30 Venus and Jupiter were actually far apart, but both On June 30 Venus and Jupiter were actually far apart, but both


Planet Aurora

Thu, 07/02/2015 - 07:42

Planet Aurora Planet Aurora


Star Trails Above Table Mountain

Wed, 07/01/2015 - 03:42

Stars trail above and urban lights sprawl below in Stars trail above and urban lights sprawl below in


Triple Conjunction Over Galician National Park

Tue, 06/30/2015 - 06:42

What are those bright objects hovering over the horizon? What are those bright objects hovering over the horizon?


Sharpless 308: Star Bubble

Mon, 06/29/2015 - 02:42

Blown by fast winds from a hot, massive star, Blown by fast winds from a hot, massive star,


New Horizons

Sun, 06/28/2015 - 05:42

In three weeks, the robotic New Horizons spacecraft will reach Pluto. In three weeks, the robotic New Horizons spacecraft will reach Pluto.


Rings and Seasons of Saturn

Sat, 06/27/2015 - 01:42

On Saturn, the rings tell you the season. On Saturn, the rings tell you the season.


M64: The Black Eye Galaxy

Fri, 06/19/2015 - 01:42

This big, bright, beautiful spiral galaxy is This big, bright, beautiful spiral galaxy is


M45: The Pleiades Star Cluster

Fri, 06/19/2015 - 01:42

Have you ever seen the Pleiades star cluster? Have you ever seen the Pleiades star cluster?


APOD is 20 Years Old Today

Fri, 06/19/2015 - 01:42

Welcome to the Welcome to the


A Colorful Lunar Corona

Fri, 06/19/2015 - 01:42

What are those colorful rings around the Moon? What are those colorful rings around the Moon?


M101: The Pinwheel Galaxy

Fri, 06/19/2015 - 01:42

Why do many galaxies appear as Why do many galaxies appear as


1000 Sols

Fri, 06/19/2015 - 01:42

Shortly before Mars' June 2015 conjunction, the Curiosity Rover Shortly before Mars' June 2015 conjunction, the Curiosity Rover


The Medusa Nebula

Thu, 06/18/2015 - 05:42

Braided, serpentine filaments of glowing gas Braided, serpentine filaments of glowing gas