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Showcasing gifts from Zazzle.com that artists have created using their imagination, computers, paint brushes, cameras and talent. Gifts for anyone, for any day and holiday; gifts you personalize and customize to suit your needs.
Thursday, May 29, 2014
Zazzle Caseable Case from Wind-Up Sprout Design: Chill Out : Paisley I...
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Zazzle Rickshaw Flap Sleeve from Sara Valor: Girly Retro Vintage Flora...
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Helix Nebula, Galaxies and Stars iPhone 5 Case
tagged with: star nurseries, star clusters, galaxies, starfields, nebulae, heavens, helix nebula, cosmological, astronomy pictures, hrbstslr helixneb, eso, european southern observatory, vista
Galaxies, Stars and Nebulae series A fantastic colour-composite image of the Helix Nebula (NGC 7293). It was created from images obtained using the Wide Field Imager (WFI), an astronomical camera attached to the 2.2-metre Max-Planck Society/ESO telescope at the La Silla observatory in Chile.
The blue-green glow in the centre of the Helix comes from oxygen atoms shining under effects of the intense ultraviolet radiation of the 120 000 degree Celsius central star and the hot gas.
Further out from the star and beyond the ring of knots, the red colour from hydrogen and nitrogen is more prominent. A careful look at the central part of this object reveals not only the knots, but also many remote galaxies seen right through the thinly spread glowing gas.
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image code: helixneb
ESO/J. Emerson/VISTA www.eso.org
Reproduced under the Creative Commons Attribution 3.0 Unported license.
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