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October 29, 2024
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Astronomers discover black hole that may have formed without supernova

Astronomers discover black hole that may have formed without supernova

An artist’s impression shows a triple star system called V404 Cygni with a black hole and two ordinary stars. Material siphoned from the deformed nearby star (left) is pictured swirling around the black hole (right), as the third star (top right) shines in the distance. Astronomers traditionally believe black holes form when massive stars explode […]

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October 10, 2024
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Astrosat, Nasa observatories find how black hole’s stellar debris disk bombards orbiting object

Astrosat, Nasa observatories find how black hole’s stellar debris disk bombards orbiting object

BENGALURU: India’s AstroSat, Nasa’s space observatories, and other international telescopes have captured a dramatic cosmic event involving a massive black hole and stellar wreckage. The discovery provides valuable insights into two previously mysterious phenomena: tidal disruption events (TDEs) and quasi-periodic eruptions (QPEs).“A massive black hole has torn apart one star and is using that stellar […]