National Optical Astronomy Observatory

Image Credit: R. Hahn; Inset: NASA/JPL-Caltech

While most supernovae studied to date brighten and fade over a period of weeks, a handful are known to evolve much quicker. KSN2015K reached its maximum brightness in 2 days and faded to half that in only 7 days. To explain the rapid evolution, the discovery team, which includes NOAO astronomers Alfredo Zenteno and Chris Smith, has argued that the star bumped into itself in the explosion!

Read more in Notre Dame Press Release.

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