Astronomy   View all facts   Glossary   Help
abstraction > mathematical concept > number > constant > fundamental physical constant > universal constant > Planck time
Next time: rise time    Up: time, universal constant    Previous time: period   

Planck time comparison table
Subject has unit has uncertainty has definition has equation has value has symbol is a kind of is an instance of
timetime unit A dimension distinguishing past, present, and future. In relativity, time is portrayed as a geometrical dimension, analogous to the dimensions of space.   quantity 
universal constant    changes in value are due solely to an increase in measurement accuracy or convention fundamental physical constant 
Planck timetime unit0.0040 × 10-44 s 5.3906 × 10-44 stP time

Next time: rise time    Up: time, universal constant    Previous time: period