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Messier 15

(M15, NGC 7078)
(globular cluster with collapsed core)

Messier 15 (M15 or NGC 7078) is a Globular Cluster with stars densely packed in the center, apparently having experienced a Core Collapse, a collapse of the middle region of a globular cluster. It includes 100,000+ stars, including a Planetary Nebula, some Pulsars, and Variable Stars. Its estimated age is 12 gigayears and it has a diameter of about 175 ly.


(globular cluster)
http://en.wikipedia.org/wiki/Messier_15
RedshiftParsecs
/Distance
Lightyears
/Lookback Years
  
~010kpc30.0klyMessier 15
Coordinates:M15
J212958.33+121001.2

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