Values of the constant of gravitation
- Values of the constant of gravitation
-
Values of the constant of gravitation
author year method G (in units of 10–11
m3s–2kg–1)
H. Cavendish 1798 torsion balance (
deflection) 6.754
J.H. Poynting 1891 common balance 6.698
C. Braun 1897 torsion balance (
period) 6.658
P.R. Heyl 1930 torsion balance (
period) 6.669
J. Zahradnicek 1932 torsion balance (
resonance) 6.659
P.R. Heyl, P. Chrzanowski 1942 torsion balance (
period) 6.672
C. Pontikis 1972 torsion balance (
resonance) 6.6714
G.G. Luther and W.R. Towler 1982 torsion balance (
period) 6.6726
H. de Boer 1987 mercury flotation (
deflection) 6.667
W. Michaelis et al. 1996 flotation (null deflection) 6.7164
C.H. Bagley and G.G. Luther 1997 torsion balance (
period) 6.6740
O.V. Karagioz et al. 1998 torsion balance (
period) 6.6729
J. Luo et al. 1999 torsion balance (
period) 6.6699
M.P. Fitzgerald, T.R. Armstrong 1999 torsion balance (null deflection) 6.6742
F. Nolting et al. 1999 common balance 6.6754
U. Kleinvoss et al. 1999 pendulum deflection 6.6735
J.H. Gundlach, S.M. Merkowitz 2000 torsion balance (
acceleration) 6.67422
T.J. Quinn et al. 2001 torsion balance (
servo) 6.67553
T.J. Quinn et al. 2001 torsion balance (
deflection) 6.67565
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gravitation — gravitational, adj. gravitationally, adv. /grav i tay sheuhn/, n. 1. Physics. a. the force of attraction between any two masses. Cf. law of gravitation. b. an act or process caused by this force. 2. a sinking or falling … Universalium
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Gravitation constant — Constant Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose… … The Collaborative International Dictionary of English
Constant — Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose value, when… … The Collaborative International Dictionary of English
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Gravitational constant — The gravitational constant G is a key quantity in Newton s law of universal gravitation. The gravitational constant, denoted G, is an empirical physical constant involved in the calculation of the gravitational attraction between objects with… … Wikipedia
Aberration constant — Constant Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose… … The Collaborative International Dictionary of English
Absolute constant — Constant Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose… … The Collaborative International Dictionary of English
Arbitrary constant — Constant Con stant, n. 1. That which is not subject to change; that which is invariable. [1913 Webster] 2. (Math.) A quantity that does not change its value; used in countradistinction to {variable}. [1913 Webster] 3. (Astron.) A number whose… … The Collaborative International Dictionary of English
