Since the discovery of the first repeating fast radio burst in 2016, debate has raged over whether it represented a distinct population. With the recent detection of a second repeater using CHIME, the debate is closer to being settled.
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panel a reproduced from ref. 4, Springer Nature Ltd; data for panel b provided by Jason Hessels.
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Petroff, E. Chiming again and again. Nat Astron 3, 133–134 (2019). https://doi.org/10.1038/s41550-019-0700-8
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DOI: https://doi.org/10.1038/s41550-019-0700-8
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