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spacettf: A Cosmic Holiday Ornament,... - A Spaceman, They Say I Am.
spacettf: A Cosmic Holiday Ornament, Hubble-Style by NASA Goddard Photo and Video on Flickr. Via Flickr: ‘Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA’s Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate structure of this bright gaseous nebula resembles a glass-blown holiday ornament with a glowing ribbon entwined. Planetary nebulae represent the final brief stage in the life of a medium-sized star like our sun. While consuming the last of the fuel in its core, the dying star expels a large portion of its outer envelope. This material then becomes heated by the radiation from the stellar remnant and radiates, producing glowing clouds of gas that can show complex structures, as the ejection of mass from the star is uneven in both time and direction. To read more go to: www.nasa.gov/mission_pages/hubble/science/ngc5189.html Credit: NASA, ESA, and G. Bacon (STScI)

spacettf:

A Cosmic Holiday Ornament, Hubble-Style by NASA Goddard Photo and Video on Flickr.

Via Flickr:
‘Tis the season for holiday decorating and tree-trimming. Not to be left out, astronomers using NASA’s Hubble Space Telescope have photographed a festive-looking nearby planetary nebula called NGC 5189. The intricate structure of this bright gaseous nebula resembles a glass-blown holiday ornament with a glowing ribbon entwined.

Planetary nebulae represent the final brief stage in the life of a medium-sized star like our sun. While consuming the last of the fuel in its core, the dying star expels a large portion of its outer envelope. This material then becomes heated by the radiation from the stellar remnant and radiates, producing glowing clouds of gas that can show complex structures, as the ejection of mass from the star is uneven in both time and direction. To read more go to: www.nasa.gov/mission_pages/hubble/science/ngc5189.html

Credit: NASA, ESA, and G. Bacon (STScI)

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Posted on Tuesday, 18 December
Reblogged from: spacettf
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