Mysterious radio flashes may be farewell greetings from massive stars collapsing into black holes

[unable to retrieve full-text content]Mysterious bright radio flashes that appear for only a brief moment on the sky and do not repeat could be the final farewell greetings of a massive star collapsing into a black hole, astronomers argue.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/2eBUF9ZF3Ic/130705101626.htm

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