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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.
Farlex Partner Medical Dictionary © Farlex 2012
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’
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
And the discovery could be just in time, as another Scottish distiller, Ballantine, last week unveiled a glass designed specially for sipping whisky in low gravity. mirrornews@mirror.co.uk
On Earth, Philae weighs 220 pounds (100 kg), but on Comet 67P it weighs less than a feather because of very low gravity! Scientists had equipped Philae with harpoons to anchor (attach) the probe to the comet's surface.
Without the probe being firmly tethered to the ground, drilling could destabilise it in the low gravity.
The challenges are many for the lander, from the small, uneven target to the comet's very low gravity. If the lander comes down too hard, that lack of pull could lead the probe to bounce, some scientists think.
"I sat in a simulator with low gravity and they made me do writing exercises on a mirror to show me how my brain will work in space."
Gerst, Wiseman and station commander Steve Swanson of NASA also showed off their football skills in low gravity, displaying some impressive feats in the video that players down on Earth might be envious of.
The highly altered rocks and brecciated granite in the middle part of the study area is depicted by a low gravity anomaly zone along the NW-SE trending shear zone.
WHERE: 25 Coventry Street, DY8 1EP WHEN: Open 12-11 ON TAP: Craddock's Low Gravity, Saxon Gold, Crest, Capra, Troll, Wye Valley Butty Bach and guest beers.
MARYLAND (CyHAN)- The purpose of the Packed Bed Reactor Experiment in low gravity is to determine how a mixture of gas and liquid flows through a packed bed in reduced gravity.
Prominent low gravity seen in the isostatic anomaly might have indicated a deepening of the basement, assuming that the isostatic correction had appropriately accounted for deep crustal gravity effects.
is v ghp Carter discovers he is blessed with super powers due to the low gravity and, together with Tars Tarkas (voiced by Willem Dafoe), he tries to bring peace to the dying planet and rescue the beautiful princess, Dejah Thoris (Lynn Collins).