The home galaxy of a second repeating fast radio burst is a puzzle

Astronomers have traced a mysterious, recurrent blast of radio waves to a Milky Way–like galaxy

FRB galaxy

The first galaxy discovered to host a repeating fast radio burst was a tiny dwarf galaxy. Now a second host galaxy has been found (arrow points to the burst’s location), and it’s a massive spiral similar to the Milky Way.

Shriharsh Tendulkar/Gemini Observatory

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