In physics, the Planck time (tP) is the unit of time in the system of natural units known as Planck units. It is the time required for light to travel, in a vacuum, a distance of 1 Planck length.

The unit is named after Max Planck, who was the first to propose it.

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Definition of Planck Time on Wikipedia

Last edited Feb 8, 2016 at 11:48 AM by ozguloguz, version 2