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Friday, August 12, 2011

NASA releases image of brightly glowing 'Necklace Nebula'!


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In this image provided by NASA, a giant cosmic necklace named 'Necklace Nebula' glows brightly in this Hubble Space Telescope image.
In this image provided by NASA, a giant cosmic necklace named 'Necklace Nebula' glows brightly in this Hubble Space Telescope image.


NASA has released a Hubble Space Telescope image of a brightly glowing, giant cosmic necklace of a recently discovered planetary nebula, aptly named ‘Necklace Nebula’.

The nebula, situated 15,000 light—years away in the constellation Sagitta, consists of a bright ring, measuring 12 trillion miles across, dotted with dense, bright knots of gas that resemble diamonds in a necklace. The knots glow brightly due to absorption of ultraviolet light from the central stars.

A pair of stars orbiting very close together produced the nebula, also called PN G054.2—03.4.


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