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'Here comes the ceiling' - explaining zero gravity
The zero-gravity of space is simulated by flying a series of parabolic flight manoeuvres that counter the forces of gravity and allow astronauts and cosmonauts to learn how to accomplish tasks with no gravity.
蜜芽传媒 Reporter, Martin Redfern, tries out 鈥榸ero gravity鈥� in a parabolic flight. Originally broadcast on 28 May, 2009.
(Photo Credit: MEHDI FEDOUACH/AFP/Getty Images)
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