Content overview: “Betelgeuse's Atmosphere Haunted by Cosmic Poltergeist Companion, Radio Images Reveal | Nov”. New radio observations of Betelgeuse show the red supergiant's atmosphere is still recovering from its dramatic 2019-2020 dimming event, while an unseen companion appears to be plowing through its outer layers. The findings, from the Atacama Large Millimeter/submillimeter Array (ALMA), reveal a comp Betelgeuse's Atmosphere Haunted by Cosmic Poltergeist Companion, Radio Images Reveal
New radio observations of Betelgeuse show the red supergiant's atmosphere is still recovering from its dramatic 2019-2020 dimming event, while an unseen companion appears to be plowing through its outer layers. The findings, from the Atacama Large Millimeter/submillimeter Array (ALMA), reveal a complex and dynamic environment around the star, located about 650 light-years away in Orion. Astronomers detected a bright, hot spot in the star's extended atmosphere, likely caused by shock waves from the companion's motion. This listing links straight to the original page, where the content is available in full.