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In Greek mythology, Uranus (/ ˈ j ʊər ə n ə s / YOOR-ə-nəs, also / j ʊ ˈ r eɪ n ə s / yoo-RAY-nəs), [2] sometimes written Ouranos (Ancient Greek: Οὐρανός, lit. ' sky ', [uːranós] ), is the personification of the sky and one of the Greek primordial deities .
The OpenType font format has the feature tag "mgrk" ("Mathematical Greek") to identify a glyph as representing a Greek letter to be used in mathematical (as opposed to Greek language) contexts. The table below shows a comparison of Greek letters rendered in TeX and HTML. The font used in the TeX rendering is an italic style.
Latin and Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
Mathematical Alphanumeric Symbols is a Unicode block comprising styled forms of Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles. The letters in various fonts often have specific, fixed meanings in particular areas of mathematics.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
The Greek name Γαῖα (Gaia Ancient Greek: or ) is a mostly epic, collateral form of Attic Γῆ (Gē), and Doric Γᾶ (Ga), [3] perhaps identical to Δᾶ (Da), [6] both meaning "Earth". Some scholars believe that the word is of uncertain origin. [ 7 ]
the letter Zeta with an abbreviation stroke (for Zeus, the Greek equivalent to the Roman god Jupiter) [9] Saturn: S [15] [42] U+2644 (dec 9796) ♄ the letters kappa-rho with an abbreviation stroke (for Kronos, the Greek equivalent to the Roman god Saturn), with a cross [9] Uranus: U [29] [30] U+26E2 (dec 9954) ⛢
In a March 1782 treatise, Johann Elert Bode proposed Uranus, the Latinised version of the Greek god of the sky, Ouranos. [47] Bode argued that the name should follow the mythology so as not to stand out as different from the other planets, and that Uranus was an appropriate name as the father of the first generation of the Titans . [ 47 ]