Messier 103 (M103) is an open star cluster located in the northern constellation Cassiopeia. The cluster lies at a distance of 10,000 light years from Earth and has an apparent magnitude of 7.4. Its designation in the New General Catalogue is NGC 581.
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Turquoise, The December Birthstone
The brilliant beauty of Turquoise takes center stage this December, with this new infographic from the experts at Brilliance highlighting various knowledge bits about December's gorgeous birthstone! http://blog.brilliance.com/infographic/turquoise-the-birthstone-of-december