A powerful blast of energy detected in March marks the brightest fast radio burst — a mysterious type of outburst from space — observed to date.
This ultrabright flash originated 130 million light-years from Earth, closer than most fast radio bursts, or FRBs, with pinpointed locations, allowing an in-depth investigation into what produced the puzzling signal. Two papers describe the findings in the Aug. 20 Astrophysical Journal Letters.
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