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Planck mass
(redirected from Plank mass)

    Also found in: Wikipedia 0.03 sec.
Planck mass [′pläŋk ‚mas]
(physics)
The mass √(hc/2πG), wherehis Planck's constant,cis the speed of light, andGis the gravitational constant; equivalently, the mass of a particle whose reduced Compton wavelength equals the Planck length; it is equal to 21.764 micrograms or 1.2209 × 1019GeV/c2.


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