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Credit: The Electronic Universe Project
Explanation:
A globular cluster is a system of about one million stars that together
orbit a galaxy. One of the brightest globular clusters in our Milky Way
galaxy is the pictured M15, the fifteenth object on
Messier's list
of diffuse objects on our
sky. Most stars in globular clusters are older and redder than
our Sun, which is about 5 billion years old.
For more information on M15 see The Electronic Universe Project's write-up.
Many images of Messier objects can be found in The Electronic Universe Project's The Galaxy Gallery: Messier Objects.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: M15 - globular cluster
Publications with words: M15 - globular cluster
See also: