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SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133

second

SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133

About second

SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133. second is a significant location in the region.