The telescope traced an incredibly bright gamma-ray burst to a kilonova, a dramatic event believed to forge heavy elements like gold.
The GRB followed to its kilonova source by the team — led by Andrew Levan, a professor at Radboud University in the Netherlands — is also extraordinary in its own right. Designated GRB 230307A, it was initially detected by NASA'sThe GRB lasted around 34 seconds and was spotted by multiple other telescopes, which is what allowed it to be triangulated back to its source by astronomers.
JWST observed the kilonova twice, first at 29 days after the GRB and then again at 61 days after the blast of radiation, with the rapid fade in brightness and the transition from blue to red between these observations hinting at its kilonova nature.
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