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mean solar second
subjectfact 
mean solar secondhas value 1/86400 mean solar dayhas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:53.0
has definition 1/86400 of a mean solar day (cf. ephemeris second).has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:53.0
is an instance of second unit2001-09-27 09:32:53.0
time unitis a unit of time2001-09-27 09:32:52.0
unithas historical origin2001-09-27 09:32:42.0
represents2001-09-27 09:32:42.0