Astronomy Picture of the Day: Pillars of the Eagle Nebula in Infrared

Newborn stars are forming in the Eagle Nebula. Gravitationally contracting in pillars of dense gas and dust, the intense radiation of these newly-formed bright stars is causing surrounding material to boil away.

Astronomy Picture of the Day: Ancients of Sea and Sky

They may look like round rocks, but they're alive.

Astronomy Picture of the Day: An Active Prominence on the Sun

Sometimes the Sun's surface becomes a whirlwind of activity.

Astronomy Picture of the Day: Mars Engulfed

What's happened to Mars? In 2001, Mars underwent a tremendous planet-wide dust storm

Astronomy Picture of the Day: Dusty With a Chance of Dust

It's storm season on Mars. Dusty with a chance of dust is the weather report for Gale crater as a recent planet-scale dust storm rages.

Astronomy Picture of the Day: Little Planet Soyuz

Engines blazing, a large rocket bids farewell to this little planet. Of course, the little planet is really planet Earth and the large rocket is a Soyuz-FG rocket.

Astronomy Picture of the Day: Six Planets from Yosemite

The five naked-eye planets, Mercury, Venus, Mars, Jupiter and Saturn, have been seen since ancient times to wander the night skies of planet Earth.

Astronomy Picture of the Day: Red Cloudbow over Delaware

What kind of rainbow is this? In this case, no rain was involved -- what is pictured is actually a red cloudbow.

Astronomy Picture of the Day: Star Size Comparison 2

How big is our Sun compared to other stars? In dramatic and popular videos featured on YouTube, the relative sizes of planets, stars, and even the universe are shown from smallest to largest.

Astronomy Picture of the Day: At Last GLAST

Rising through a billowing cloud of smoke, a long time ago from a planet very very close by, this Delta II rocket left Cape Canaveral Air Force Station's launch pad 17-B at 12:05 pm EDT on June 11, 2008.

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