Omega Centauri

omega cent.jpg

Omega Centauri (ω Cen) or NGC 5139 is a globular cluster discovered in 1677 by Edmund Halley, which orbits around the Milky Way, being one of the few that can be observed with the naked eye. It is 17,000 years from Earth, and contains about 10 million stars, which gives it a density such that the average distance between them is 0.1 light years. The stars that comprise it belong mainly to population II, which means that they are very aged.

Copyright : Aniceto Porcel Rosales

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