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NASA称,哈勃空间望远镜对猎户座红超巨星参宿四(Betelgeuse)的长期观测,在其运动路径周围识别到由一颗长期“隐身”的伴星在星际介质中搅动形成的尾流(wake)结构,从而为参宿四并非独星的证据提供关键线索。研究认为,这一发现有助于解释参宿四外层气体分布与亮度异常变化(包括曾引发关注的反常变暗)的成因,并可改进对其质量流失、环境相互作用及未来演化的判断。

正文

NASA's Hubble Space Telescope Observations Resolve "One Of The Biggest Mysteries" About Betelgeuse IFLScience NASA Hubble Helps Detect 'Wake' of Betelgeuse's Elusive Companion Star NASA Science (.gov) Astronomers May Have Unlocked the Reason for Betelgeuse's Bizarre Dimming Scientific American Betelgeuse is not alone as it travels through space Astronomy Magazine Hubble Telescope spies 'wake' of supergiant Beutelgeuse's hidden companion star Space
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