celestial map
81Universe — For other uses, see Universe (disambiguation). Physical cosmology …
82Chaos theory — This article is about chaos theory in Mathematics. For other uses of Chaos theory, see Chaos Theory (disambiguation). For other uses of Chaos, see Chaos (disambiguation). A plot of the Lorenz attractor for values r = 28, σ = 10, b = 8/3 …
83Henri Poincaré — Infobox Scientist box width = 300px name = Henri Poincaré image size = 250px caption = Jules Henri Poincaré (1854 1912). Photograph from the frontispiece of the 1913 edition of Last Thoughts. birth date = birth date|df=yes|1854|4|29 birth place …
84Orion (constellation) — For other uses, see Orion (disambiguation). Orion Constellation List of stars in Orion Abbreviation Ori Genitive Orionis …
85Edward Wright (mathematician) — For the 20th century mathematician, see Edward Maitland Wright. Edward Wright Title page of the first edition of Wright s Certaine Errors in Navigation (1599) …
86telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
87Planetary science — Planetary science, also known as planetology and closely related to planetary astronomy, is the science of planets, or planetary systems, and the solar system. Incorporating an interdisciplinary approach, planetary science draws from diverse… …
88Abū Rayhān Bīrūnī — Infobox Muslim scholars | era = Matthew Deal image caption = Biruni on a 1973 Iranian post stamp commemorating his one thousandth anniversary | name = Abū Rayhān Muhammad ibn Ahmad Bīrunī title= Abu Rayhan Biruni birth = 15 September 973 AD|… …
89Compass rose — For the meteorological graphic, see Wind rose A common compass rose as is found on a nautical chart showing both true and magnetic north with magnetic declination A compass rose, sometimes called a windrose, is a figure on a compass, map, nau …
90Two Sphere Universe — The Two Sphere Universe is a term coined by Thomas Samuel Kuhn, in his book The Copernican Revolution .The two sphere universe is a conception of the astronomical heavens by ancient Greece. It was one of several conceptions of the universe and… …
