The night sky with stars and blue nebula manuel_adorf/Getty Images
The faintest supernova ever seen has been spotted in a galaxy about 88 million light years away. It is so dim that it doesn’t seem to fit existing models produced to explain the faintest supernovae.
at the California Institute of Technology and his colleagues found the cosmic explosion, called SN 2021fcg, using the in California. At its peak, it put out about three times less than the previous record holder for faintest supernova.
“It’s at least 100 times fainter than a normal supernova…
