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Astronomers Discover Mysterious Perfectly Spherical Object in Deep Space

  • Astronomers led by Miroslav Filipović detected a nearly perfectly spherical object named Teleios in the Milky Way using the ASKAP radio telescope in 2025.
  • The team found Teleios only through radio emissions and identified it as an unusual supernova remnant but could not conclusively determine its exact distance or type due to conflicting scenarios.
  • Researchers proposed three distance-based models placing Teleios between 3,262 and 25,114 light-years away, with corresponding age estimates ranging from less than 1,000 years to over 10,000 years.
  • The study emphasizes Teleios’s striking circular shape with symmetry exceeding 95%, positioning it among the most perfectly round supernova remnants observed in the Milky Way, despite a surprising lack of expected X-ray signals.
  • The researchers deem a Type Ia supernova origin most likely but emphasize that all proposed scenarios face challenges and call for new high-resolution observations to clarify Teleios’s true nature.
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Science Alert broke the news in Australia on Monday, May 19, 2025.
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