ASTRONOMERS ARE FINALLY starting to figure out fast radio bursts (FRBs). The milliseconds-long surges of radiation are rare and sudden - even 10 years after their discovery, we know almost nothing about them. But in January, astronomers announced they'd spotted a repeating FRB and pinpointed its location to a small dwarf galaxy 2.5 billion light-years away. That's a first for astronomy. The findings appeared in Nature and The Astrophysical Journal.
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