File:Phot-34g-04-fullres.jpg

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DescriptionPhot-34g-04-fullres.jpg	English: ESO PR Photo 34g/04 shows the stellar cluster NGC 2093, a comparatively rich aggregate of young stars, a few tens of millions of years old. The hot temperature of the most massive of such young stars is responsible for its predominantly blue colour. The sky field measures 5.6 x 5.1 arcmin. North is up and East is left. ESO PR Photo 34h/04 shows the stellar cluster NGC 2108, a rich "mid-aged" cluster, about 600 million years old. A careful comparison with its neighbour NGC 2093 (PR Photo 34g/04) shows that the brightest stars of NGC 2108 are fainter and whiter than the brightest members of NGC 2093; this indicates that NGC 2108 is older. Note also the distinctly red star to the East (left) of the center of this cluster. This is a member of a stellar class referred to as "Carbon stars", cool giant stars that are characterized by the presence of carbon molecules (C2) in their atmospheres and having extremely red colours. This sky field measures 2.8 x 2.6 arcsec; the orientation is the same.
Date	10 December 2004
Source	http://www.eso.org/public/outreach/press-rel/pr-2004/phot-34-04.html
Author	ESO
Permission (Reusing this file)	http://www.eso.org/public/outreach/press-rel/copyright.html

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:40, 23 June 2009		1,422 × 1,535 (2.14 MB)	Lars Lindberg Christensen	{{Information \|Description={{en\|1=ESO PR Photo 34g/04 shows the stellar cluster NGC 2093, a comparatively rich aggregate of young stars, a few tens of millions of years old. The hot temperature of the most massive of such young stars is responsible for it

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