Media Information
 
 
 
Collection:
NASA Astronomy Picture of the Day Collection
Title:
Globular Cluster M2
Explanation:
Beneath the south pole of our Milky Way Galaxy [ http://antwrp.gsfc.…] lies a ball of over 100,000 stars. M2, the second object on Charles Messier [ http://www.seds.org…]'s eighteenth century list of bright diffuse sky objects [ http://www.seds.org…], is known as a globular cluster [ http://antwrp.gsfc.…], and orbits the center of our Galaxy like nearly 200 other globular clusters [ http://ast.leeds.ac…] left over from the early days of our universe. M2 [ http://www.seds.org…], pictured above [ http://www.noao.edu…], spans over 150 light-years, lies about 50,000 light-years [ http://www.howstuff…] away, and can be seen with binoculars [ http://antwrp.gsfc.…http://www.birdwatc…] towards the constellation [ http://www.windows.…] of Aquarius [ http://www.astronom…]. Determining the distances and ages to globular clusters [ http://www.seds.org…] like M2 [ http://www.astr.ua.…] constrains the scale [ http://antwrp.gsfc.…] and age [ http://www.astro.uc…] of our entire universe.
Credit and Copyright:
//www.noao.edu/scope /copyright.html" >Copyright: D. Williams, N. A. Sharp [ mailto:nsharp@noao.e du ], AURA [ http://www.noao.edu…], NOAO [ http://www.noao.edu/], NSF [ http://www.nsf.gov/]
keyword:
globular cluster
keyword:
M2
facet_when:
eighteenth century
facet_where:
Milky Way Galaxy
facet_where:
Goddard Space Flight Center (GSFC)
facet_what:
Aura
facet_what:
Aquarius
facet_what:
globular cluster
original url:
http://antwrp.gsfc.…
UID:
SPD-APOD-ap010611

Globular Cluster M2
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