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Supernova 1987a Ring

Supernova 1987a Ring

Depicts: SN 1987a
Copyright: Peter Garnavich (Harvard-Smithsonian Center for Astrophysics), andNASA

Recent Hubble telescope observations show a brightening knot on the upper right side of the ring. This is the site of a powerful collision between an outward moving blast wave and the innermost parts of the circumstellar ring. The collision heats the gas and has caused it to brighten in recent months. This is likely to be the first sign of a dramatic and violent collision that will take place over the next few years, rejuvenating SN1987A as a powerful source of X-ray and radio emissions.
Last Update: 1 September 2019
4-Oct-2023 10:04 UT

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