Webb telescope snaps view of an exploded star. It's an invaluable find. MashableJames Webb telescope watches ancient supernova replay 3 times — and confirms something is seriously wrong in our understanding of the universe Livescience.comWebb Researchers Discover Lensed Supernova, Confirm Hubble Tension – James Webb Space Telescope NASA BlogsNASA's Webb Telescope Discovers Gravitationally Lensed Supernova, Illuminating Universe’s Expansion Mystery The Daily Galaxy --Great Discoveries Channel“Tripled” supernova helps James Webb calculate the expansion rate of the Universe The Universe.