law of precession
51History of astronomy — History of science …
52Islamic calendar — Arabic calendar redirects here. For the Gregorian calendar in Arabic, see Arabic names of calendar months. This …
53Timeline of solar system astronomy — Timeline of solar system astronomyAntiquity* 2137 BC, October 22 Chinese astronomers record a solar eclipse *ca. 2000 BC Chinese determine that Jupiter needs 12 years to complete one revolution of its orbit. * 2nd millennium BC earliest possible… …
54Jyotiṣa — IAST|Jyotiṣa (Sanskrit IAST|jyotiṣa , from IAST|jyótis light, heavenly body : also spelled Jyotish and Jyotisha in English) is the ancient Indian system of astronomy and astrology (also known as Indian astrology, Hindu astrology, and of late,… …
55History of science in early cultures — The history of science in early cultures refers to the study of protoscience in ancient history, prior to the development of science in the Middle Ages. In prehistoric times, advice and knowledge was passed from generation to generation in an… …
56History of general relativity — Creation of General Relativity Early investigations As Albert Einstein later said, the reason for the development of general relativity was that the preference of inertial motions within special relativity was unsatisfactory, while a theory which …
57Spin (physics) — This article is about spin in quantum mechanics. For rotation in classical mechanics, see angular momentum. In quantum mechanics and particle physics, spin is a fundamental characteristic property of elementary particles, composite particles… …
58education — /ej oo kay sheuhn/, n. 1. the act or process of imparting or acquiring general knowledge, developing the powers of reasoning and judgment, and generally of preparing oneself or others intellectually for mature life. 2. the act or process of… …
59Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
60Kepler's laws of planetary motion — In astronomy, Kepler s Laws of Planetary Motion are three mathematical laws that describe the motion of planets in the Solar System. German mathematician and astronomer Johannes Kepler (1571–1630) discovered them.Kepler studied the observations… …
