Located in the constellation of Orion, Betelgeuse is a red supergiant that has been observed by astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA). According to the results, its surface is very different from that of the Sun. Known for centuries and frequently studied by astronomers, Betelgeuse never ceases to surprise. Indeed, while the presence of a companion star appears to be confirmed, new observations reveal an astonishing shape. A team of astronomers studied this s... [722 chars]
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