Supernova in the Pinwheel Galaxy

Photo by Anthony Ayiomamitis.
Photo by Anthony Ayiomamitis, all rights reserved.

By Anthony Ayiomamitis | Perseus.gr

Supernovae represent the violent explosions of massive stars which have reached the end of their life-cycle. The one indicated by the black tick marks above was photographed Aug. 26 from Athens. It was discovered Aug. 24. This reverse monochrome image shows the supernova in the familiar Pinwheel Galaxy, a.k.a. Messier 101 or NGC 5457.

A supernova is a massive explosion where the bulk of a star’s material is ejected into space and the interstellar medium are characterized with luminosities which easily can exceed that of the host galaxy for a brief period of a few weeks or even months. This ejection of material including heavy elements is both vital and critical for new generations of stars and exoplanets.

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