Science Podcasts

Special episode

Tue, 21st Dec 2010

Light Shed on Dark GRBs

Artists illustration of a gamma ray burst (c) NASA/Swift/Mary Pat Hrybyk-Keith and John Jones

Dark gamma ray bursts have puzzled astronomers for over a decade. The energetic gamma ray events, known as Gamma Ray Bursts (GRBs), all have an afterglow visible in the X-ray part of the spectrum, yet only half were visible at optical wavelengths. The half that were not visible in optical light, known as dark gamma ray bursts seemed to indicate that there may be a new class of GRBs not previously understood. Louise Ogden spoke to Dr Patricia Schady of the Max Planck Institute in Munich, whose team has found that dark gamma ray bursts are not in fact all that exotic...

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