Wednesday, June 25, 2014

Helix Nebula, Galaxies and Stars Messenger Bag

This is a design by HightonRidley, one of the fine artists at Zazzle. The all-purpose large messenger bag is great for carrying all sorts of things - get yours from the great selection available on this blog!


tagged with: star nurseries, star clusters, galaxies, starfields, astronomy, nebulae, helixneb, helix nebula, outer space pictures, cosmological, european southern observatory, eso, 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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