Discovery of second repeating fast radio blast raises new questions

An international team of astronomers has discovered a second rapidly and persistently active radio burst, raising questions about the nature of the mysterious phenomena.

fast radio bursts (FRBs) are intense and brief flashes of radio frequency emissions, lasting in the order of milliseconds. The phenomenon was discovered in 2007 by graduate student David Narkevic and his supervisor Duncan Lorimer. The source of these highly energetic events is a mystery, but clues about their nature are gradually being collected.

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