Star Formation Star Systems Star Evolution White Dwarf Stars Red Supergiants Stellar Evolution Star Observation Star Characteristics Variable Stars Chemical Composition Ancient Stars Neutron Stars Planetary Systems Observations Ultraviolet Radiation Research Paper Population III Stars Red Supergiant Stars Star Types Star Behavior Cepheid Variables Observational Astronomy Radio Astronomy Black Holes Pop III Star Detection Asteroseismology Star Companions First Stars Massive Stars Star Classification Binary Stars Oldest Stars Star Clusters Galactic Halo Star Composition Star Age Star Lifecycle Low-Mass Stars Exoplanets Hypervelocity Stars Stellar Phenomena Pulsars Binary Star Systems White Dwarfs
Eight years of ultraviolet spectra reveal Fe II shifts caused by Siwarha’s dense trail through Betelgeuse’s extended atmosphere.
