Radio images suggest a link between Betelgeuse’s changing outline and its companion’s expected orbit, offering clues to how a smaller star may influence a giant’s later life. Betelgeuse, the bright red supergiant marking Orion’s shoulder, may have another star stirring its atmosphere from within. Its recently identified companion, Siwarha, is thought to orbit at a […]
A Hidden Star May Be Plowing Through Betelgeuse’s Giant Atmosphere
