Westerlund 2

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WR20a is a binary star system located 20,000 light-years from the earth towards the southern constellation Carina. Each star in the system has eighty times the mass of our sun. It is believed that the stars in Westerlund 2 are more typical of the stars that populated the early universe. It was discovered by a team led by Krzysztof Stanek of Harvard University using the Las Campanas Observatory in Chile. These twin stars have approximately 80 solar masses each.

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Retrieved from "http://en.wikipedia.org../../../w/e/s/Westerlund_2.html"

Categories: Wikipedia articles needing factual verification | Binary stars | Star stubs

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• This page was last modified 20:38, 13 February 2007 by Wikipedia user WilliamKF. Based on work by Wikipedia user(s) Thereen, Shotwell, Palica, Visviva, ReyBrujo and JMK and Anonymous user(s) of Wikipedia.
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