Space breakthrough as radio ‘heartbeat’ signal detected coming from distant galaxy
FRB 20191221A, meanwhile, proved to be slightly different when it was first detected by CHIME on December 21, 2019.
Dr Michilli said: “It was unusual. Not only was it very long, lasting about three seconds, but there were periodic peaks that were remarkably precise, emitting every fraction of a second — boom, boom, boom — like a heartbeat.
“This is the first time the signal itself is periodic.
“CHIME has now detected many FRBs with different properties. 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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Article source: https://www.express.co.uk/news/science/1640540/space-news-radio-heartbeat-signal-distant-galaxy-neutron-star-steroids