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M13 Globular Cluster 11 x 14 Print by Kevin Boucher

$35.00

M13 Globular Cluster 11 x 14 Print by Kevin Boucher using Kodak metallic paper with polystyrene backing. Frame and hanging materials not included.

Messier 13 also called the Great Globular Cluster in Hercules is a cluster of about 300,000 stars in the constellation of Hercules. A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. Globular clusters are found in the halo of a galaxy. Globular clusters are fairly common; there are about 150 to 158 currently known globular clusters in the Milky Way, with perhaps 10 to 20 more still undiscovered. M13 is about 145 light-years in diameter, and is 25,100 light-years away from Earth.

Purchase this picture for the donation amount listed and own an amazing picture of the night sky taken by one of Aldrich’s astrophotographers Kevin Boucher and help advance Aldrich Astronomical Society with its outreach efforts.

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