The radioastronomical "Time Machine" effect and the solution of gamma ray bursts mystery
Abstract
The possible low-frequency radio emission from the progenitors of gamma ray bursts can experience a delay from tens of seconds to hours on the way to the observer due to the dispersion in galactic and extragalactic plasma, and thus reach the observer as a radio afterglow of the burst. This opens a unique possibility (peculiar "Time Machine") of seeing what happened in that place before the catastrophe.
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