It’s all relative Betelgeuse may have a sun-sized companion starthat orbits it about once every 2,100 days, astronomy writer Lisa Grossman reported in “Betelgeuse’s invisible buddy.” The story describes Betelgeuse as “the red giant that marks Orion’s left shoulder.” Reader Chris Jespersen wrote: “I often see Betelgeuse on Orion’s right shoulder…. Am I mistaken?” This […]
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