Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205  ·  NGC 6207
Hercules globular cluster (M13), DrRMM
Hercules globular cluster (M13)
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Hercules globular cluster (M13)

Hercules globular cluster (M13), DrRMM
Hercules globular cluster (M13)
Powered byPixInsight

Hercules globular cluster (M13)

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Description

Hercules globular cluster (M13)

A globular star cluster of around 300,000 stars, 22,200 light years away, and about 11.65 billion years old.

"The Arecibo message of 1974, which contained encoded information about the human race, DNA, atomic numbers, Earth's position and other information, was beamed from the Arecibo Observatory radio telescope towards M13 as an experiment in contacting potential extraterrestrial civilizations in the cluster. "

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Hercules globular cluster (M13), DrRMM