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Astronaut Urine Creates a Surprisingly Attractive Light Show

By Lauren Davis Published September 14, 2009, 12:30 pm ET

Reading time 1 minute

That’s no comet. This photo, taken Wednesday night, actually shows a trail of urine and waste water streaming out of the shuttle Discovery. The waste froze upon release, then quickly sublimated into a sparkling, glowing vapor. [SpaceWeather via Yahoo!]

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