Hubble Telescope Finds Unexpectedly Hot Accretion Disk in FU Orionis

Hubble Space Telescope’s recent observations of FU Orionis have revealed surprising new details about the star’s accretion disk. The study found that the disk’s inner edge reaches temperatures as high as 16,000K, nearly three times hotter than the Sun’s surface. This discovery challenges existing models of stellar accretion, which had predicted lower temperatu…

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