Scientists have solved a short-lived space mystery surrounding a change in brightness emanating from the star Betelgeuse. The orange-hued supergiant star, which is situated in the constellation of Orion, raised astronomers' eyebrows in late 2019 and early 2020 when they detected a noticeable difference in its luminosity (as seen in the video above). Understandably intrigued by what they were seeing, researchers took a closer look at the star and reportedly determined that the cause of what has come to be known as Betelgeuse's Great Dimming was a cloud of cosmic dust.
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