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Astronomy Picture Of the Day (APOD)
Three Arches Above Utah
24.05.2011
How many arches can you count in the above image? If you count both spans of the Double Arch in the Arches National Park in Utah, USA, then two. But since the above image...
An Unexpected Flare from the Crab Nebula
23.05.2011
Why does the Crab Nebula flare? No one is sure. The unusual behavior, discovered over the past few years, seems only to occur in very high energy light -- gamma rays. As recently...
Io: The Prometheus Plume
22.05.2011
What's happening on Jupiter's moon Io? Two sulfurous eruptions are visible on Jupiter's volcanic moon Io in this color composite image from the robotic Galileo spacecraft that orbited Jupiter from 1995 to 2003.
Planets, Endeavour at Dawn
21.05.2011
When dawn broke over Kennedy Space Center on Monday, May 16, the space shuttle orbiter Endeavour still stood on pad 39A. Its final launch, on mission STS-134 to the International Space Station, was only hours away.
A Journey Through the Night Sky
20.05.2011
Majestic nebulae and stars of our Milky Way Galaxy stretch across this panoramic image of the entire night sky. At full resolution, the 5 gigapixel mosaic was stitched together from over 37,000 images...
NGC 253: Close Up
19.05.2011
This dusty island universe is one of the brightest spiral galaxies in planet Earth's sky. Seen nearly edge-on, NGC 253 is only 13 million light-years away, the largest member of the Sculptor Group of galaxies, neighbor to our own local galaxy group.
The Last Launch of Space Shuttle Endeavour
18.05.2011
Two days ago, powerful yet controlled explosions rocketed the Space Shuttle Endeavor on its final trip into Earth orbit. The above image was taken seconds after liftoff as the massive orbiter and six astronauts began a climb to a height where the atmosphere is so thin it is unbreathable.
A Starry Night of Iceland
17.05.2011
On some nights, the sky is the best show in town. On this night, the sky was not only the best show in town, but a composite image of the sky won an international competition for landscape astrophotography. The above winning image was taken two months ago over JЖkulsАrlСn, the largest glacial lake in Iceland.
Time Lapse Clouds and Sky Over the Canary Islands
16.05.2011
If you could sit back and watch clouds and the sky move all night and day, what might you see? One answer from the island of Tenerife, captured over the course of the year, includes sequences that are not only breathtaking but instructive.
The Sombrero Galaxy from Hubble
15.05.2011
What's going on in the center of this spiral galaxy? Named the Sombrero Galaxy for its hat-like resemblance, M104 features a prominent dust lane and a bright halo of stars and globular clusters.
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