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Astronomers uncover over 1,000 radio galaxies with 'wings,' expanding a rare cosmic class

phys.org·Shreejaya Karantha·28 days ago
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arXiv (2026). DOI: 10.48550/arxiv.2604.22347"> Examples of three X-shaped radio galaxies (top panel), three Z-shaped radio galaxies (middle panel), and three candidates for winged sources (bottom panel). Credit: arXiv (2026). DOI: 10.48550/arxiv.2604.22347 Astronomers recently carried out a comprehensive search for strange "winged" radio galaxies using data from the LOFAR Two-meter Sky Survey Data Release 2 (LoTSS DR2) and discovered over 1,000 new systems. The paper outlining these results was submitted to the arXiv preprint server on April 24, 2026. 'Winged' enigmas Radio galaxies are powered by accreting supermassive black holes that launch powerful jets of charged particles in opposite directions. These jets glow in radio waves and can stretch across millions of light-years. Some of these objects have irregular shapes, rather than just two lobes on either side of the core.…

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