Thursday, May 24, 2012

Mysterious nebula glows brightly in stunning new photo

A telescope in Hawaii has captured a spectacular new view on a distant nebula, revealing a glowing swirl of gas that is at the center of an unsolved mystery surrounding the nebula’s birth.
The photo from the Gemini North telescope in Hawaii shows the complex planetary nebula Sharpless 2-71, which is located about 3,260 light-years from Earth in the constellation Aquila (The Eagle).
Planetary nebulas form when a star like our sun exhausts its hydrogen fuel. The star’s outer layers expand and cool, creating a huge envelope of dust and gas. Radiation flowing from the dying star ionizes this envelope, causing it to glow.

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