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Gravities -- See Gravitation


Acceleration produced by the mutual attraction of two masses, and of magnitude inversely proportional to the square of the distance between the two centers of mass. It is also the force imparted by the earth, moon, or a planet to an object near its surface. (From NASA Thesaurus, 1988)
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Gravitropism -- See Geotropism


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Gravitropism.   2
 

Gravitropisms -- See Gravitropism


The directional growth of organisms in response to gravity. In plants, the main root is positively gravitropic (growing downwards) and a main stem is negatively gravitropic (growing upwards), irrespective of the positions in which they are placed. Plant gravitropism is thought to be controlled by auxin (AUXINS), a plant growth substance. (From Concise Dictionary of Biology, 1990)
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  Gravity -- 8 Related Subjects   8
Gravity.   76
Gravity, Altered. : Artificial gravity / editors, Gilles Clément and Angie Bukley  2007 1
Gravity anomalies.   3
Gravity anomalies -- Measurement.   2
Gravity anomalies -- Standards. : What On Earth Is Wrong With Gravity? / Director: Olding, Paul  2008 1
 

Gravity, Artificial -- See Gravity, Altered


A change in, or manipulation of, gravitational force. This may be a natural or artificial effect
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Gravity assist (Astrodynamics) : Low energy flight : orbital dynamics and mission trajectory design / Jianping Yuan [and 3 others]  2019 1
Gravity assist (Astrodynamics) -- Popular works. : Fly me to the moon : an insider's guide to the new science of space travel / Edward Belbruno  2013 1
Gravity -- Australia -- Measurement. : An Australian international gravitational observatory : a case study for construction of large national facilities / a report to the Prime Minister by the Australian Science and Technology Council (ASTEC)  1991 1
 

Gravity balances -- See Gravimeters (Geophysical instruments)


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Gravity, Center of -- See Center of mass


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Gravity concentrators : Advances in gravity concentration / edited by R.Q. Honaker and W.R. Forrest  2003 1
Gravity -- Congresses.   4
Gravity -- Early works to 1800.   3
Gravity -- Experiments.   14
Gravity -- Experiments -- Juvenile literature. : Gravity / written by Neil Ardley  1992 1
 

Gravity-free state, Physiological effect of -- See Weightlessness


Here are entered works on the physiological and psychological effects of environments in which the gravitational forces are zero or markedly lower than the gravity on earthWorks on the physiological effects of normal gravity and of acceleration expressed in g's are entered under Gravity--Physiological effectWorks on the physics or theory of gravitational forces are entered under Gravitation or Gravity
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Gravity -- History. : The universal force / Louis A. Girifalco  2008 1
Gravity -- Juvenile literature.   7
 

Gravity, Local disturbance of -- See Gravity anomalies


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Gravity, Low -- See Hypogravity


Condition wherein the force of gravity is less than or is decreased below that on the surface of the earth. This is expressed as being between 0 and 1 g
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Gravity -- Measurement.   17
Gravity -- Measurement -- Congresses.   3
Gravity -- Measurement -- Textbooks.   2
 

Gravity meters -- See Gravimeters (Geophysical instruments)


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Gravity -- Models. : Going Deep With David Rees: How To Bounce A Ball - Series 2 - Ep 4  2015 1
Moon -- Gravity. : GRAIL : mapping the Moon's interior / M.T. Zuber, C.T. Russell, editors  2014 1
Moon -- Gravity -- Measurement. : Lunar gravimetry / M.U. Sagitov ... [and others]  1986 1
Gravity -- Periodicals : Journal of gravity    1
  Gravity Physiological effect -- 2 Related Subjects   2
Gravity -- Physiological effect.   11
Gravity -- Physiological effect -- Periodicals : Gravitational and space biology bulletin (Online)  1996- 1
Gravity-Physiological effect-Protection : High G Flight : Physiological Effects and Countermeasures  2016 1
Gravity prospecting. : Gravity and magnetic methods in mineral and oil & gas exploration and production / Yaoguo Li and Richard Krahenbuhl  2015 1
 

Gravity, Quantum -- See Quantum gravity


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Gravity, Reduced -- See Hypogravity


Condition wherein the force of gravity is less than or is decreased below that on the surface of the earth. This is expressed as being between 0 and 1 g
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Gravity -- Research.   4
Gravity -- Spain -- Measurement. : Física de la tierra    1
 

Gravity, Specific -- See Specific gravity


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Gravity stations -- Australia. : An Australian international gravitational observatory : a case study for construction of large national facilities / a report to the Prime Minister by the Australian Science and Technology Council (ASTEC)  1991 1
Gravity -- Study and teaching.   5
Gravity -- Study and teaching (Primary) : Teacher's guide for Pendulums : investigating physics with swinging objects / Elementary Science Study ; [prepared by] Education Development Center  1976 1
 

Gravity waves -- See Also the narrower term Surface waves (Oceanography)


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Gravity waves.   5
 

Gravity waves (Astrophysics) -- See Gravitational waves


Here are entered works on hypothetical waves predicted by the general theory of relativity that are created by disturbances of matter and travel through space at the speed of light propagating gravitational fields. Works on waves in a fluid medium that are generated by the force of gravity, such as those between air and water at an ocean's surface or between layers of air in the Earth's atmosphere, are entered under Gravity waves
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