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1/10 All eyes on #Betelgeuse these days. What’s happening to this well-known star in the constellation of #Orion?
2/10 Normally one of the brightest stars in the sky, it’s now fainter than ever before in recorded history.
3/10 Astronomers think the star is preparing to blow, going #supernova. Think cosmic time scales though. This artist’s impression shows #Betelgeuse shedding its material. eso.org/public/images/…
Credit: @ESO /L. Calçada
4/10 @overbye reports on the dimming in a @nytimes article feat. @ESO and @ALMAObs images of the stunning star nytimes.com/2020/01/09/sci…
5/10 The @ESO community has been observing the star over the years using our telescopes.
6/10 In 2009, astronomers showed that the star has a vast plume of gas almost as large as our Solar System & a gigantic bubble boiling on its surface. eso.org/public/news/es…
7/10 Using the VISIR instrument on ESO’s VLT, astronomers imaged a complex and bright nebula around #Betelgeuse in 2011 eso.org/public/news/es…
Credit: @ESO /P. Kervella
8/10 In 2017, @ALMAObs took this stunning picture of the star, the highest-resolution image of #Betelgeuse available
eso.org/public/images/…
Credit: ALMA (ESO/NAOJ/NRAO)/E. O’Gorman/P. Kervella
9/10 Check out this graphic with the red giant, showing how large #Betelgeuse is compared to our Solar System
eso.org/public/images/…
10/10 and why not observing the star yourself?
Credit: @ESO, @IAU_org and Sky & Telescope
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