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The three panels represent moments before, during, and after the faint supernova iPTF14gqr, visible in the middle panel, appeared in the outskirts of a spiral galaxy located 920 million light years away. The massive star that died in the supernova left behind a neutron star in a very tight binary system. These dense stellar remnants will ultimately spiral into each other and merge in a spectacular explosion, giving off gravitational and electromagnetic waves. Credit: SDSS/Caltech/Keck

Astronomers spot a completely new type of supernova explosion

Astronomers at the Caltech have recently observed the peculiar death of a massive star that exploded in a surprisingly faint and rapidly fading supernova. These...