A new discovery is challenging what we know about the creation of some of the brightest flashes in the universe, called Gamma-Ray Bursts,
Some of the most dramatic events in the universe are gamma-ray bursts , brief pulses of light so bright that they can be seen from billions of light-years away. Researchers divide these events into short GRBs which last a few seconds and long GRBs which last up to a minute. For a long time, researchers thought that all long gamma-ray bursts were caused by the collapse of massive stars. But now, new research suggests that some long GRBs could be caused by two neutron stars merging.
But when two teams of scientists investigated a recently identified GRB which lasted for 50 seconds, putting it well into the long GRB classification, they found that it wasn’t caused by a massive star collapse but rather by a neutron star merger. This means that the causes of GRBs must be more complex than previously thought. If neutron star mergers can trigger both long and short GRBs, there must be something about neutron stars or GRBs which is yet to be understood.
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