US EditionAstronomers Just Discovered The Biggest Explosions Since The Big Bang
- Astronomers led by Jason Hinkle identified a new class of giant cosmic explosions called Extreme Nuclear Transients observed in distant galaxies from 2016 to 2020.
- These ENTs arise when massive stars, several times heavier than the Sun, are torn apart by ultramassive black holes at galactic centers, producing flares much brighter and longer than normal tidal disruption events.
- The team studied flares such as Gaia16aaw , Gaia18cdj , and the 2020 event 'Scary Barbie', gathering multi-year data from ESA's Gaia telescope and other observatories including Keck and NASA's Swift.
- The event Gaia18cdj unleashed 2.5 × 10^53 ergs of energy, approximately 25-fold greater than that of the strongest known supernovae. Extremely rare, ENTs occur about ten million times less frequently than supernovae, offering valuable opportunities to investigate black hole development in the early universe.
- These rare, energetic ENTs open a new window into supermassive black hole activity, providing a valuable tool for investigating galaxy evolution and black hole feeding during cosmic noon.
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A new type of giant space explosion — never previously seen — was accidentally captured by the space telescope Gaia. This is the largest explosions recorded since Big Bang himself. An explosion never before “visit”...
·Portugal
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They observed a kind of cosmic burst of extreme energy never seen before, which illuminates the process of black hole formation in distant galaxies, changing our understanding of the Universe
·Buenos Aires, Argentina
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Astronomers observe gigantic explosions in space that cast shadows on all known things. These flashes of light surpass star explosions many times - and last much longer. A new study provides an explanation for the phenomenon.
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