Most distant known object in the universe

Most distant known object in the universe

Gamma-ray burst goes the cosmic distance

By Ron Cowen, 10:36 AM April 28, 2009

Astronomers have identified a new record holder for most distant object in the universe — a gamma-ray burst emanating from a region 13.035 billion light-years from Earth.

On April 23, NASA’s Swift satellite discovered the burst — a 10-second flash of highly energetic radiation believed to mark the explosive collapse of a massive star into a black hole. Within three hours of Swift’s detection, astronomers recorded the burst’s infrared afterglow using the U.K. Infra-Red Telescope and the Gem...

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