Planisphaerium

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• Planisphaerium — can also refer to an album by Wormed. The Planisphaerium was a work by Ptolemy in which he explored the mathematics of mapping figures inscribed in the celestial sphere onto a plane by stereographic projection, a method of projection that… …   Wikipedia

• Planisphaerium (album) — Infobox Album Name = Planisphærium Type = studio Artist = Wormed Released = 2003 Recorded = Genre = Brutal death metal Length = Label = Producer = Reviews = Last album = debut This album = Planisphærium Next album = Planisphaerium is the 2003… …   Wikipedia

• Georg Christoph Eimmart — Planisphaerium Coeleste, original shortly before 1705, copy from 1730 by Matthäus Seutter …   Wikipedia

• Неморариус — (Иордан) немецкий математик. Умер в 1237 году. В 1220 году в Париже Н. вступил в орден бенедиктинцев, а в следующем году уже был избран генералом ордена. Везде в церковных источниках он называется Иорданом Саксонским. При Н. в круг ведения ордена …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

• Astronomische Instrumente — Das älteste astronomische Instrument ist der Gnomon, eine vertikale Säule, die ihren Schatten auf eine horizontale Ebene wirft. Durch das Verhältnis der Länge des Schattens zur Höhe des Gnomons wird die Sonnenhöhe bestimmt. Hatte man die… …   Meyers Großes Konversations-Lexikon

• Astrolabium [2] — Astrolabium, »Sternaufnehmer«, in der früheren praktischen Astronomie dem Namen nach ein Instrument zur Bestimmung von Sternörtern. Man hat aber mit dem Namen zwei verschiedene, allerdings vielfach zu einem Instrument vereinigte… …   Lexikon der gesamten Technik

• planisphere — noun Etymology: alteration of Middle English planisperie, from Medieval Latin planisphaerium, from Latin planum plane + sphaera sphere Date: 1571 a representation of the circles of the sphere on a plane; especially a polar projection of the… …   New Collegiate Dictionary

• Culture of Egypt — The culture of Egypt has thousands of years of recorded history. Ancient Egypt was among the earliest civilizations. For millennia, Egypt maintained a strikingly complex and stable culture that influenced later cultures of Europe, the Middle East …   Wikipedia

• Herman of Carinthia — or Herman Dalmatin (also known in Latin as Sclavus Dalmata, Secundus) was a philosopher, astronomer, astrologer, mathematician, translator and author. Among Adelard of Bath, John of Seville, Gerard of Cremona (1114 1187) and Plato of Tivoli (1134 …   Wikipedia

• Stereographic projection — In geometry, the stereographic projection is a particular mapping (function) that projects a sphere onto a plane. The projection is defined on the entire sphere, except at one point mdash; the projection point. Where it is defined, the mapping is …   Wikipedia