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New Study Predicts Universe Will End in 10⁷⁸ Years Due to Stellar Remnant Decay

  • Three scientists from Radboud University calculated in 2023 that the universe will end in about 10^78 years due to stellar remnant decay.
  • Their research followed earlier beliefs that black hole evaporation determined cosmic lifespan, but the team found a similar process affects neutron stars and white dwarfs.
  • They discovered that gravitational pair production causes all massive objects to lose energy gradually, making white dwarfs the longest-lasting stellar corpses at about 10^78 years.
  • Lead author Heino Falcke explained that although the final end of the universe will occur earlier than previously thought, it remains a process that will take an extremely long time to unfold.
  • This finding shortens the estimated universe lifespan from around 10^1100 years and implies that cosmic remnants will quietly evaporate rather than ending with a dramatic event.
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Phys.org broke the news in United Kingdom on Monday, May 12, 2025.
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