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virial theorem
subjectfact 
virial theoremhas definition For a bound gravitational system the long-term average of the kinetic energy is one-half of the potential energy.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:53.0
is an instance of thermodynamics law2001-09-27 09:33:53.0
thermodynamics lawhas domain thermodynamics2001-09-27 09:33:53.0
lawhas discoverer2001-09-27 09:33:53.0
theoryhas validity correct or incorrect with caveats2001-09-27 09:33:53.0
has author or reasearch group2001-09-27 09:33:53.0
has date or a range of dates for which the theory was active2001-09-27 09:33:53.0