German astronomer Jens Hackmann shot this picture of what is thought to be the last waste water dump from the space shuttle Discovery on March 8 before re-entry. This waste water would, of course, include astronaut urine:
"When observing ISS and space shuttle Discovery with unaided eye, there was nothing special for me," Hackmann wrote in the caption of his video on YouTube. "But when I examined the video clip I wondered what that tail on Discovery was…Then I read in the internet about other sights."
Such water dumps are a usual event, allowing the spaceship to unload its dirty water and urine before returning to Earth. A similar disposal gave skywatchers a nice view during the shuttle Discovery's STS-128 mission in September, 2009 as well.
Link via Alphecca
So do astronauts on the next two shuttle flights have to hold it in? They could use their diapers. Donovan's "The Intergalactic Laxative" is mandantory listening.
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