The Supernova That Measured The Universe
by Veritasium
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In 2015 astronomers successfully predicted the appearance of a supernova within a couple weeks. How did they do it? Win your Ultimate Tech Bundle by entering Fasthosts’ Techie Test here: https://fasthosts.com/veritasium This video was sponsored by Fasthosts.Special thanks to Geraint Lewis for consulting on gravitational lensing. Check out his YouTube channel: https://ve42.co/gfl and books: https://ve42.co/GFLbooksThe supernova image in the thumbnail is from my documentary, Uranium: Twisting The Dragon's Tail. Check it out here: https://genepoolproductions.com/uranium-projectReferences:DEJA VU ALL OVER AGAIN: THE REAPPEARANCE OF SUPERNOVA REFSDALP. L. Kelly et al. https://arxiv.org/abs/1512.04654Predicted properties of multiple images of the strongly lensed supernova SN Refsdal Masamune Oguri. Monthly Notices of the Royal Astronomical Society: Letters, Volume 449, Issue 1, 01 May 2015, Pages L86–L89, https://arxiv.org/abs/1411.6443Multiple Images of a Highly Magnified Supernova Formed by an Early-Type Cluster Galaxy LensPatrick L. Kelly et al. https://arxiv.org/abs/1411.6009Refsdal meets Popper: comparing predictions of the re-appearance of the multiply imaged supernova behind MACSJ1149.5+2223. T. Treu et al. https://arxiv.org/abs/1510.05750Irwin I. Shapiro (1964). Fourth Test of General Relativity. Physical Review Letters. 13 (26): 789–791. doi:10.1103/PhysRevLett.13.789Irwin I. Shapiro; Gordon H. Pettengill; Michael E. Ash; Melvin L. Stone; et al. (1968). Fourth Test of General Relativity: Preliminary Results. Physical Review Letters. 20 (22): 1265–1269. doi:10.1103/PhysRevLett.20.1265Research & Writing by Stephanie Hamilton, Ralph Crewe, Petr Lebedev, Derek Muller, and Jonny HymanAnimations & VFX by Jonny Hyman & Ivàn TelloThanks to Jaime Portsmouth for his gravitational lensing simulator and help enabling it to render simulations.Supernova simulations courtesy of Adam BurrowsNumerous hubble images by Hubble Legacy Archive, NASA/ESA/STScINumerous images by ESO / NASA