![]() ![]() However, the star at the heart of this new research, located in the NGC 5731 galaxy about 120 million light-years away from Earth, was 10 times more massive than the sun before it exploded.īefore they go out in a blaze of glory, some stars experience violent eruptions or release glowing hot layers of gas. While it was predicted that Betelgeuse may go supernova, it’s still around. One popular red supergiant star is Betelgeuse, which has captured interest due to its irregular dimming. Hubble spies the culprit behind Betelgeuse star's dimming. ![]() ![]() This artist's impression was generated using an image of Betelgeuse from late 2019 taken with the SPHERE instrument on the European Southern Observatory's Very Large Telescope. New observations by the NASA/ESA Hubble Space Telescope suggest that the unexpected dimming of the supergiant star Betelgeuse was most likely caused by an immense amount of hot material that was ejected into space, forming a dust cloud that blocked starlight coming from the star's surface. ![]()
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