Scientists have detected a strange radio signal in a distant galaxy. 'There were periodic peaks that were remarkably precise, emitting every fraction of a second — boom, boom, boom — like a heartbeat,' researcher Daniele Michilli said.
Scientists have discovered a"strange and persistent" radio signal from a far-off galaxy that sounded like a heartbeat. Astronomers at the Massachusetts Institute of Technology and elsewhere detected the signal, which is classified as a fast radio burst, or FRB — but lasted much longer.
Astronomers detected a persistent radio signal from a far-off galaxy that appears to flash with surprising regularity. Named FRB 20191221A, this fast radio burst, or FRB, is currently the longest-lasting FRB, with the clearest periodic pattern, detected to date. Pictured is the large radio telescope CHIME that picked up the FRB.The signal came from a distant galaxy, several billion light-years from Earth.
Most FRBs are one-offs and last a few milliseconds before ending. But a signal that repeated every 16 days was recently discovered, although the signal was more random than periodic. "CHIME has now detected many FRBs with different properties," said Michilli."We've seen some that live inside clouds that are very turbulent, while others look like they're in clean environments. From the properties of this new signal, we can say that around this source, there's a cloud of plasma that must be extremely turbulent."
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