Betelgeuse’s surface before and during its 2019–2020 Great Dimming

These images, taken with the SPHERE instrument on ESO’s Very Large Telescope, show the surface of the red supergiant star Betelgeuse during its unprecedented dimming, which happened in late 2019 and early 2020. The image on the far left, taken in January 2019, shows the star at its normal brightness, while the remaining images, from December 2019, January 2020 and March 2020, were all taken when the star’s brightness had noticeably dropped, especially in its southern region. The brightness returned to normal in April 2020.

Telif:

ESO/M. Montargès et al.

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Kimlik:eso2109a
Tür:Kolaj
Yayın tarihi:16 Haziran 2021 17:00
Bağlantılı bültenler:eso2109
Boyut:1866 x 878 px

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Adı:Betelgeuse
Tür:Milky Way : Star : Evolutionary Stage : Red Supergiant
Kategori:Stars

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