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Refsdal supernova_ENH.jpg

Refsdal supernova

The image shows the galaxy’s location within a hefty cluster of galaxies, located more than 5 billion light-years away. In the enlarged inset, the arrows point to the multiple copies of the exploding star, dubbed Supernova Refsdal, located 9.3 billion light-years from Earth. 

Photo Credit: 

NASA, ESA, the Frontier SN team, the GLASS team, the Frontier Fields Team