Скачать или смотреть Is Betelgeuse a Binary Star? Speckle imaging reveals all

Hi Spacecats, I'm Dr Maggie Lieu and welcome to my channel, where you can find all things space, astronomy and physics! Have we just solved the 6 year mystery surrounding the red supergiant star Betelgeuse? Groundbreaking direct imaging of Betelgeuse has potentially just revealed a hidden companion star. Learn how astronomers used short exposures and 'speckle imaging' to unravel Betelgeuse's strange behavior.

Links:
Howell et al 2025: https://arxiv.org/pdf/2507.15749

Media credits:
Gemini north: International Gemini Observatory/NOIRLab/NSF/AURA/P. Horálek (Institute of Physics in Opava)
Betelgeuse binary: NASA/JPL/NOIRLab
Betelgeuse binary: NOIRLab/Eckhard Slawik
Supernova companion: ESA/Hubble (M. Kornmesser & L. L. Christensen)
Triple star: ESO/calcada
Dwarf star: Calcada

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