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Narrated Zoom into GRB170817A in NGC 4993

This narrated movie zooms into the constellation Hydra to focus on the galaxy NGC 4993. Within this galaxy, a neutron star collision generated gravitational waves and an associated gamma-ray burst (GRB). It also resulted in a glow called a kilonova that was visible to telescopes including Hubble. Hubble images taken on August 22, 26 and 28 show the glow fading over time.
  • Release Date
    October 16, 2017
  • Science Release
    NASA Missions Catch First Light from a Gravitational-Wave Event
  • Credit
    NASA, ESA, and J. DePasquale, Z. Levay, G. Bacon, and M. Estacion (STScI); Acknowledgment: A. Mellinger; Digitized Sky Survey (DSS), STScI/AURA

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Details

Last Updated
Mar 28, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov