Betelgeuse Has a Blowout

These images and this graph show in the brightness of the red supergiant star Betelgeuse following an enormous mass ejection of a large piece of its visible surface. The escaping material cooled to form a cloud of dust, temporarily dimming the star look as seen from Earth. This unprecedented stellar convulsion disrupted the star’s 400-day-long oscillation period astronomers have been observing for more than 200 years.

Image Credits: NASA / ESA / Elizabeth Wheatley (STScI)

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