Nasa Hubble telescope discovers supernova 2.5 billion times brighter than sun

An image of a supernova in a galaxy. — Hubble/Nasa/FileLocated in the constellation Leo, approximately 150 million light-years away, the small galaxy UGC 5189A, which hosted a supernova 2.5 billion times brighter than the Sun, is seen in remarkable detail in a new photograph taken with the...

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