A mathematical term used in Geometry defines a concave-convex region bounded by two circular arcs and has one boundary portion, the connecting segment of any two nearby points moves outside the region.
The Mean Motion Of The Moon In Longitude, From The Mean Equinox, During A Julian Year Of 365.25 Days (According To Hansen'S Tables De La Lune, London, 1857, Pages 15, 16) Is, At The Present Date, 13X360° 477644'409; That Of The Sun Being 360° 27.
lune הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד