The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained — the red giant star “sneezed.” Betelgeuse dimmed in the final few months of 2019, perplexing both professional and amateur astronomers. First noted in October 2019, by February 2020, the star lost two-thirds of its brightness as seen from Earth. Many astronomers — both professional and amateur — questioned if the change of light revealed the star was on the verge of exploding as a supernova. Now, the Hubble Space Telescope (HST) has been used to explain the mystery. Easily found in the constellation…
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