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...body]] of the [[Solar System]] – thus completing a full cycle of [[season|astronomical season]]s. For example, it is the time from [[March equinox|vernal equinox] The tropical year is one type of [[astronomical year]] and particular [[orbital period]]. Another type is the [[sidereal ye ...

...ly form of [[Cave painting|cave markings]] and drawings, [[calendar]]s and astronomical symbols. Then books and written records became the main source of informati ...during the year [[Celestial navigation#:~:text=Celestial navigation, also known as,rely solely on estimated positional|as well as a navigation tool]] which ...

...ile]] each year<ref name=OttoN>[[Otto Neugebauer]] ''The Exact Sciences in Antiquity''. Princeton: Princeton University Press, 1952; 2nd edition, Brown Universi .../www.phys.lsu.edu/mog/mog9/node9.html |date=2010-07-13 }} Today, automated astronomical observations from satellites and spacecraft require relativistic correction ...

...alculation of chords]], while mathematicians in India created the earliest-known tables of values for trigonometric ratios (also called [[trigonometric func Trigonometry is known for its many [[identity (mathematics)|identities]]. These ...

...understand the [[geodesy|Earth geodesy]] and to navigate the oceans since antiquity.}} which includes the notions of [[point (geometry)|point]], [[line (geomet ...putational geometry]], [[algebraic topology]], [[discrete geometry]] (also known as ''combinatorial geometry''), etc.—or on the properties of Euclidean spac ...

...es are objects, processes or techniques which owe their existence or first known written account either partially or entirely to an Egyptian person. ...sp?historyid=ac19|work=History of Banking|access-date=1 March 2014}}</ref> Since that time, a variety of community banking models have evolved. ...

...ll on a universal or even stellar scale. Then there is the fact that these objects might be [[brown dwarf]]s, [[sub-brown dwarf]]s, or not exist at all. Becau ...planets that are larger than 1.6 times the size of [[Jupiter]]. Some well-known planets that are smaller than {{Jupiter radius|1.6}} ({{#expr: (71492 * 1.6 ...

...edo]]'''}}{{defn|defn=A measure of the fraction of light reflected from an astronomical body or other object.}} ...ains of certain amino acids. About 500 naturally occurring amino acids are known (though only 20 appear in the [[genetic code]]) and can be classified in ma ...

'''Italian inventions and discoveries''' are objects, processes or techniques invented, innovated or discovered, partially or en ...r role in the evolution of firearms than the ancient Italian valley region known as ''Val Trompia''}}</ref><ref name=":13">{{Cite web|url=https://www.forgot ...