View Full Version : Cygnus X A Cosmic-ray Cocoon

2011-Nov-29, 05:40 PM
Situated about 4,500 light-years away in the constellation of Cygnus is a veritable star factory called Cygnus X… one estimated to have enough “raw materials” to create as many as two million suns. Caught in the womb are stellar clusters and OB associations. Of particular interest is one labeled Cygnus OB2 which is home to [...]

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