HomeAstronomyMysterious cosmic ‘heartbeat’ detected billions of light-years away

Mysterious cosmic ‘heartbeat’ detected billions of light-years away

Astronomers have discovered a strange and persistent radio signal from a distant galaxy. The discovery could help astronomers finally pinpoint the source of fast radio bursts (FRBs). 

Most FRBs, which are strong bursts of radio waves from galaxies billions of light-years away, last just a few milliseconds before blinking out and are one-off events. This new signal — FRB 20191221A — lasts up to three seconds, making it 1,000 times longer than the average FRB, and also has the clearest repeated pattern discovered thus far. 

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