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#1
March 31st 08, 06:36 AM
posted to uk.sci.astronomy
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M5 - Globular Cluster in Serpens
The Messier Ten Minute Challenge
M5 - Globular Cluster in Serpens Messier 5 (NGC 5904) was first seen by Kirch in May 1702 and Charles Messier found it independently in May 1764. He described it as a round nebula which "doesn't contain any stars". M5 is thought to be one of the oldest globular clusters - 13 billion years - and one of the largest with a diameter of 165 light years. http://www.martin-nicholson.info/ten...allenge/m5.htm Martin Nicholson, Daventry, England. My website is at http://www.martin-nicholson.info/1/1a.htm My informal Astronomical Blog is at http://ukastronomy.livejournal.com/ 
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