GRB 080319B: A cosmic burst that is the farthest object visible to the naked eye is briefly observed.

GRB 080319B

Gamma-ray burst in the constellation Boötes

GRB 080319B was a gamma-ray burst (GRB) detected by the Swift satellite at 06:12 UTC on March 19, 2008. The burst set a new record for the farthest object that was observable with the naked eye: it had a peak visual apparent magnitude of 5.8 and remained visible to human eyes…