Massive Star Cluster Cygnus OB2, NASA, Chandra, November 2012
“The Milky Way and other galaxies in the universe harbor many young star clusters and associations that each contain hundreds to thousands of hot, massive, young stars known as O and B stars. The star cluster Cygnus OB2 contains … Continue reading
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Tagged astronomy, deep space, galaxies, Hubble Space Telescope, NASA, space, star clusters, stars