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Dream Chaser model
2014-05-20 07:01:32

[ Watch the Video: Wind Tunnel Tests Dream Chaser Design ] By Sasha Congiu, NASA's Langley Research Center With meticulous effort and attention to detail, NASA technician Ricky Hall hand-glued 250 grains of sand across a 22-inch long model of Sierra Nevada Corporation’s (SNC) Dream Chaser spacecraft. Each individually placed grain of sand creates turbulent flow along the vehicle, simulating what the actual spacecraft will experience during flight. After more than four hours of prep...


Word of the Day
lunula
  • A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.
This word is a diminutive of the Latin 'luna,' moon.
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