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The psychophysiologic effect of zero gravity, as experienced by someone falling freely in a vacuum (for example, astronauts in a stable orbit). A temporary state of simulated weightlessness can be achieved during powered flight within the earth's atmosphere by traversing an inverted parabolic curve where gravitational pull and centrifugal force cancel each other out.
A state in which there is no gravitational effect on a body or material
Physiologic effects Bone mineral loss, altered blood chemistries, weakened immune system, variable heart rate, arrhythmias, loss of skeletal and cardiac muscle mass and strength, increased urinary loss of nitrogen and phosphorus, motion sickness, and redistribution of fluids that are normally pooled in the lower torso and legs, resulting in a ‘fat face’
References in periodicals archive ?
Parabolic flights @ home, Microgravity Science and Technology 48(5-6): 191-197.
The reduced net acceleration force was produced by parabolic flights. The ground experiments were conducted for various three-phase contact-line advancing rates whereas the reduced gravity experiments were conducted for only one advancing rate due to the short duration of reduced gravity.
In parabolic flight, a aeroplane goes temporarily into freefall providing the students with up to 22 seconds of zero-gravity.
"Parabolic flights -- where aeroplanes dive at maximum velocity, causing weightlessness -- will then accustom them to floating for 30 seconds at a time.
The winners will be selected to take part in a Parabolic Flight, which simulates micro gravity conditions through a series of maneuvers (called parabola) that achieves weightlessness for passengers.
Together with the Technical University (TU) Clausthal and the DLR Institute for Composite Structures and Adaptronics in Braunschweig, BAM is testing its innovative additive manufacturing process in the 31st parabolic flight campaign of the German Aerospace Center (DLR) from 6 to 8 March Weightlessness.
The problem that comes with shooting across multiple distances is that it's hard to have precise shot placement due to the bullet's parabolic flight path.
When on a specific trajectory, known as parabolic flight, the jet plane provided zero gravity conditions for 20 seconds.
Dr Castillo, who has previously worked for space programs in the United States and Japan, will then board NASA's parabolic flight plane, dubbed the 'vomit comet', before launching the project into space via a United States Air Force suborbital satellite by mid next year.
Researchers from the School of Psychology will use the study on a parabolic flight specially designed to create an outer space experience.
My students will take them on a parabolic flight which shoots up into the air like an arrow."
For those who can't wait, Space Adventures--an established adventure outfitter--already books tourists on space-related journeys, such as high-altitude rides Russian fighter jets and zero-gravity adventures aboard parabolic flight aircraft.