Tuesday, February 17, 2009

Best 50 Astronomy Pictures of Year 2008

From: http://www.itvnews.tv Astronomy, seems a small word. But this is an word which contains the universe. It is so, I called it seems a small word in the first sentence. Astronomy is beautiful science, it is the thing which attracts everyone. If you think about the solar system, galaxy to the UFO's everything are very interesting. ...

The Dark Tower in Scorpius

In silhouette against a crowded star field toward the constellation Scorpius, this dusty cosmic cloud evokes for some the image of an ominous dark tower. In fact, clumps of dust and molecular gas collapsing to form stars may well lurk within the dark nebula, a structure that spans almost 40 light-years across the gorgeous telescopic view. Known as a cometary globule, the swept-back cloud, extending from the upper right to the head (top of the tower) left and below center, is shaped by intense ultraviolet radiation from the OB association of very hot stars in NGC 6231, off the left edge of the scene. That energetic ultraviolet light also powers the globule's bordering reddish glow of hydrogen gas. Hot stars embedded in the dust can be seen as small bluish reflection nebulae. This dark tower, NGC 6231, and associated nebulae are about 5,000 light-years away. ...

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