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NASA just picked a winner in its space-toilet competition. The $20,000 prize awards the best ‘lunar loo’ for moon-bound astronauts.



Akihiko Hoshide standing next to a sink: Left: Japan Aerospace Exploration Agency astronaut Aki Hoshide performs maintenance on the toilet in the Tranquility node of the International Space Station. Right: A space shuttle toilet simulator. NASA/Dave Mosher


© NASA/Dave Mosher
Left: Japan Aerospace Exploration Agency astronaut Aki Hoshide performs maintenance on the toilet in the Tranquility node of the International Space Station. Right: A space shuttle toilet simulator. NASA/Dave Mosher

  • Before NASA can fly astronauts to the moon, it must design a toilet for the crew. 
  • The agency’s “Lunar Loo” contest offered $20,000 for a space toilet design that would work both in microgravity and on the lunar surface.
  • The space agency announced the contest winner this week, as well as the designs that took second and third place. 
  • Visit Business Insider’s homepage for more stories.

The last time astronauts landed on the moon, in December 1972, they wore glorified diapers.

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NASA never designed a proper toilet for the Apollo missions. Instead, the astronauts — all of whom were men — peed into roll-on cuffs, pooped in bags, and used space diapers when they ventured

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