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ESOcast 123 Light: Best Ever Image of a Star’s Surface and Atmosphere (4K UHD)

23 Aug 2017, 10:00 UTC
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Using ESO’s Very Large Telescope Interferometer astronomers have constructed the most detailed image ever of a star — the red supergiant star Antares. They have also made the first map of the velocities of material the atmosphere of a star other than the Sun, revealing unexpected turbulence in Antares’s huge extended atmosphere.

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