Scientists spot evidence of two huge companion stars that blew up
Scientists have discovered evidence of two massive companion stars in a binary system that both exploded as supernovas. Observations from NASA's Fermi Gamma-ray Space Telescope helped identify the Jellyfish Nebula and a nearby remnant as part of this dual stellar event.
This multiwavelength scene shows the Jellyfish Nebula supernova remnant (right), the interstellar cloud it is interacting with, and a distinctive curving filament to its upper left. The filament, which is shown here both in optical and ultraviolet (UV) light, is the visible part of an overlapping supernova remnant, G189.6+3.3, that is more prominent in radio and X-rays. The brilliant star at far right is Propus. The image was released on June 17, 2026. NASA Goddard Space Flight Center and M. Michailidis et al. 2026; optical: DSS; infrared: NASA/WISE/JPL-Caltech/UCLA; ultraviolet: NASA/Swift/Handout via REUTERS
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