111, No. 764 (October 1999), pp. 1233-1247 (15 pages) ABSTRACT We report radial velocities for 303 giant stars in the globular clusters M3, M13, M15, and M92. Spectra were obtained using the 4 m ...
Jamie Carter is an award-winning reporter who covers the night sky. Globular clusters like this one, Omega Centauri, are very dense groupings of up to a million stars ... [+] in a sphere ...
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