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Why one of the brightest stars in the sky mysteriously began to dim

Astronomers may have solved the mystery of Betelgeuse’s strange diminished brightness.

In the fall of 2019 Betelgeuse One of the brightest and most famous stars in the sky — has begun to darken dramatically. By February 2020, about two-thirds of normal luminosity had been lost.

Why one of the brightest stars in the sky mysteriously began to dim

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