Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  HD150998  ·  Hercules Globular Cluster  ·  M 13  ·  NGC 6205
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M13 - Globular Cluster in Hercules, Dennis Rowe
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M13 - Globular Cluster in Hercules

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M13 - Globular Cluster in Hercules, Dennis Rowe
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M13 - Globular Cluster in Hercules

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Description

Discovered in 1714 by Edmund Halley.  It is 174 light years in diameter, it is composed of several hundred thousand stars.  It is 22,000-22,500 light years from Earth.   It has an estimated age of over 11 billion years.

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M13 - Globular Cluster in Hercules, Dennis Rowe