precession period
121Celestial pole — The north and south celestial poles and their relation to axis of rotation, plane of orbit and axial tilt …
122Timeline of gravitational physics and relativity — Timeline of gravitational physics and general relativity* 800s Ja far Muhammad ibn Mūsā ibn Shākir hypothesizes that the heavenly bodies and celestial spheres are subject to the same laws of physics as Earth, unlike the ancients who believed that …
123Apsis — For the architectural term, see Apse. Aphelion and Perihelion redirect here. For Edenbridge s Album, see Aphelion (album). Apogee and Perigee redirect here. For the literary journal, see Perigee: Publication for the Arts. For other uses, see… …
124Milutin Milanković — Portrtait by Paja Jovanović, 1943 Born May 28, 1879 …
125Orion (constellation) — For other uses, see Orion (disambiguation). Orion Constellation List of stars in Orion Abbreviation Ori Genitive Orionis …
126Western astrology — ‹ The template below (Astrology) is being considered for merging. See templates for discussion to help reach a consensus. › Astrology …
127Crankset — A Shimano Deore right crankset, showing crank arm, spider, three chainrings and chainring guard …
128Graham Hancock — (born August 2, 1950) is a British writer and journalist. His books include Lords of Poverty , The Sign and the Seal , Fingerprints of the Gods , Keeper of Genesis (released in the US as Message of the Sphinx ), The Mars Mystery , Heaven s Mirror …
