NASA's Kepler space telescope captured the light of a stellar explosion that occurred about 170 million years ago.
https://www.space.com/42640-kepler-telescope-captures-early-stages-supernova.html
NASA's Kepler space telescope captured the light of a stellar explosion that occurred about 170 million years ago.
https://www.space.com/42640-kepler-telescope-captures-early-stages-supernova.html