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Planck energy

The Planck energy is the natural unit of energy, denoted by EP.

E_p = c^2 \sqrt{c \hbar G} \approx 1.956 × 109 J or 1019 GeV

where:

c is the speed of light in a vacuum

\hbar is Dirac's constant

G is the gravitational constant

The Planck energy is also the amount of energy contained in the Planck mass of about a small flea, not counting the kinetic and potential energies.


Planck energy is approx= 10 million million million GeV (1 with nineteen zeros following it). A more accurate measurement is provided above.

See also

Science Fair Project Encyclopedia Contents Page
10-26-2009 08:16:03
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