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#1
March 30th 08, 08:20 AM
posted to uk.sci.astronomy
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M4 - Globular Cluster in Scorpius
The Messier Ten Minute Challenge
M4 - Globular Cluster in Scorpius Messier 4 (NGC 6121) lies at a distance of about 7,200 light years and as such is one of the nearest globular clusters. Messier was the first person to resolve it into stars and M4 was the only globular cluster where he succeeded in doing this. M4 is heavily obscured by interstellar dust that both reddens and dims the light we see. http://www.martin-nicholson.info/ten...allenge/m4.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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