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(Image from article: "Gamma ray blast zaps two distant galaxies")

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Gamma ray blast zaps two distant galaxies

European astronomers report galaxies likely merged and churned out metal-rich stars, early in the universe. From 12 billion light years distance, the gamma ray burst, GRB 090323, was spotted by NASA satellites and then Earthly telescopes in 2009 (one light year equals 5.9 trillion miles). The blast appears to have originated in one galaxy and pierced another nearby on its way o Earth, report European Southern Observatory astronomers.

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