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invariant plane
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invariant planehas definition The plane defined by the total angular momentum of the solar system. It is within about 1°.5 of the ecliptic.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:37.0
is a kind of plane2001-09-27 09:32:37.0
planehas dimensions 22001-09-27 09:32:36.0