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Friday, August 23, 2013

Everlasting light

... or particles of light, are born in the nuclear furnaces of stars and then jet outward through the empty depths of space. Still more photons are ejected when stars explode as supernovas and from superheated matter that swirls in its death throes ...

http://www.sciencenews.org/view/feature/id/352723/title/Everlasting_light

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