SciencefromThe Atlantic3 weeks agoDay 8 of the 2025 Space Telescope Advent Calendar: Sculpted by Stellar WindsHot, blue stars in NGC 346 sculpt cavities in the surrounding nebula through stellar winds, revealed by combined Hubble infrared, optical, and ultraviolet observations.
SciencefromColossal1 month agoNASA's Webb Telescope Captures the Dust Clouds of Apep, Named for the Egyptian God of ChaosJames Webb imaged Apep, a triple-star Wolf-Rayet system with coiled dust shells; a third supergiant creates V-shaped holes in 700-year-old shells.
SciencefromArs Technica6 months agoTuesday Telescope: A howling wolf in the night skyWolf-Rayet stars, first identified in the 1800s, are characterized by unusual emission lines and continuous high-velocity gas ejection.