Monday will see a very rare night sky event when Betelgeuse—one of the most famous ... a mass ejection of material that became a dust cloud above that caused the star to appear to dim as seen ...

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?” ...