Tuesday, April 28, 2009

Astronomers spot the most distant cosmic explosion yet

Scientific American - April 28, 2009
An international team of astronomers last week detected the most distant gamma-ray burst ever recorded, light that was emitted when the universe was less than 5 percent of its present age.
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Infrared afterglow of GRB 090423 (circled) in a false-color image from the Gemini North Telescope in Hawaii: Gemini Observatory/NSF/AURA, D. Fox and A. Cucchiara (Penn State University) and E. Berger (Harvard University)