Until now, it was thought they came from massive star collapses.
Astrophysicists around the world may be shocked to learn that long gamma-ray bursts do not solely come from the collapse of massive stars.
This discovery not only challenges long-standing beliefs around GRBs but also opens novel doors for the formation of the heaviest elements in the universe.GRBs, the beliefs around them, and the new study The team decided to study a bright burst of gamma-ray light, named GRB211211A, that had been picked up by the Neil Gehrels Swift Observatory’s Burst Alert Telescope and the Fermi Gamma-ray Space Telescope.
“There are a lot of objects in our night sky that fade quickly,” Fong said. “We image a source in different filters to obtain color information, which helps us determine the source’s identity. In this case, red color prevailed, and bluer colors faded more quickly. This color evolution is a telltale signature of a kilonova, and kilonovae can only come from neutron star mergers.”The event wasn’t the only intriguing part of the study.
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