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Lêer:New Hubble image of star cluster Messier 15.jpg

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Opsomming

Beskrywing
English: New Hubble image of star cluster Messier 15


This cluster of stars is known as Messier 15, and is located some 35 000 light-years away in the constellation of Pegasus (The Winged Horse). It is one of the oldest globular clusters known, with an age of around 12 billion years.


Both very hot blue stars and cooler golden stars can be seen swarming together in the image, becoming more concentrated towards the cluster's bright centre. Messier 15 is one of the densest globular clusters known, with most of its mass concentrated at its core. As well as stars, Messier 15 was the first cluster known to host a planetary nebula, and it has been found to have a rare type of black hole at its centre.


This new image is made up of observations from Hubble's Wide Field Camera 3 and Advanced Camera for Surveys in the ultraviolet, infrared, and optical parts of the spectrum. 

Coordinates
Position (RA) :	21 29 58.09
Position (Dec):	12° 10' 1.62"
Field of view: 	2.48 x 2.66 arcminutes
Orientation:   	North is 46.7° left of vertical

Colours & filters Band	Wavelength	Telescope 
Ultraviolet U	336 nm	Hubble Space Telescope WFC3
Ultraviolet UV	275 nm	Hubble Space Telescope WFC3
Optical B	438 nm	Hubble Space Telescope WFC3
Optical V	606 nm	Hubble Space Telescope ACS
Infrared I	814 nm	Hubble Space Telescope ACS
.
Bron http://www.spacetelescope.org/images/heic1321a/ http://www.spacetelescope.org/static/archives/images/large/heic1321a.jpg
Outeur Credit: NASA, ESA
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(Hergebruik van die lêer)		 http://www.spacetelescope.org/copyright/

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huidig20:24, 14 November 2013Duimnaelskets vir weergawe vanaf 20:24, 14 November 20133 749 × 4 028 (13,12 MG)Fabian RRRR{{Information |Description ={{en|1='''New Hubble image of star cluster Messier 15''' This cluster of stars is known as Messier 15, and is located some 35 000 light-years away in the constellation of Pegasus (The Winged Horse). It is one of the old...

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