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Lêer:Cat's Eye Nebula.X-ray image.jpg

Cat's_Eye_Nebula.X-ray_image.jpg ‎(350 × 347 piksels, lêergrootte: 6 KG, MIME-tipe: image/jpeg)

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Beskrywing An X-Ray image of NGC 6543 has revealed a bright central star surrounded by a cloud of multimillion-degree gas in the planetary nebula known as the Cat's Eye Nebula. This image of the Chandra X-Ray Observatory, where the intensity of the X-ray emission is correlated to the brightness of the orange coloring, captures the expulsion of material from a star that is expected to collapse into a white dwarf in a few million years. The intensity of X rays from the central star was unexpected, and it is the first time astronomers have seen such X-ray emission from the central star of a planetary nebula. The ACIS X-ray camera aboard Chandra observed NGC 6543 from May 10-11, 1999 for a total exposure time of 46,000 seconds.
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[1]:

Chandra Photo Album: NGC 6543 (Cat's Eye Nebula)
Outeur NASA/UIUC/Y.Chu et al.

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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  • 2004-03-14 07:43 User:Maio 350×347×8 (6 KB) X-Ray image of the Cat's Eye Nebula (NGC 6543)

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huidig21:55, 14 Mei 2008Duimnaelskets vir weergawe vanaf 21:55, 14 Mei 2008350 × 347 (6 KG)TheDJ{{Information |Description=An X-Ray image of NGC 6543 has revealed a bright central star surrounded by a cloud of multimillion-degree gas in the planetary nebula known as the Cat's Eye Nebula. This image of the [[Chandra X-

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