coplanarity
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See also: co-planarity
English
Alternative forms
Noun
coplanarity (countable and uncountable, plural coplanarities)
- (geometry, of at least two things, usually lines) The state or characteristic of being within the same plane.
- (astronomy, of multiple planets or other orbiting bodies) The state or characteristic of orbiting a central celestial object within the same orbital plane.
- 2009 January 9, Robert Naeye, “Exoplanets' Dance Reveals They're Coplanar”, in skyandtelescope.com, retrieved 9 Jan. 2009:
- Gliese 876 affords us by far our most detailed and accurate map of any extrasolar planetary system in the solar neighborhood, and […] it is reassuring to see a kinship in the most fundamental property of system coplanarity.