Pune scientists find galaxy with 4 black hole jet cycles

Scientists from IISER Pune and NCRA-TIFR discovered J023721.13-010528.5, the first radio galaxy showing four separate episodes of supermassive black hole jet activity. Stretching 4.2 million light-years with an S-shaped structure, the galaxy's jet cycles span 6–21 million years. Findings were published in The Astrophysical Journal on October 21.