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Planck energy
The Planck energy Ep is a derived unit of energy. Expressed in Joule it is approximately
Explanation
The Planck energy is defined as
where
mp Planck mass c Speed of light
Alternative 1
The Planck energy can also be defined as
where
ℏ Reduced Planck constant c Speed of light G Gravitational constant
Alternative 2
The Planck energy can also be written as
where
ℏ Reduced Planck constant tp Planck time
HistoryThe name Planck energy is a tribute to the German physicist Max Planck (1858 - 1947). |