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Ephemeris

From Simple English Wikipedia, the free encyclopedia

Anephemeris is a table giving the predicted positions of an object in space, like another planet,comet, orasteroid.

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Key topics

Calendar eras	Human Era Ab urbe condita Anno Domini / Common Era Anno Mundi Bosporan era Bostran era Byzantine era Seleucid era Era of Caesar (Iberia) Before present Hijri Egyptian Sothic cycle Hindu units of time (Yuga) Mesoamerican Long Count Short Count Tzolk'in Haab'
Regnal year	Anka year Canon of Kings English and British regnal year Lists of kings Limmu
Era names	Chinese Japanese Korean Vietnamese

Pre-Julian / Julian	Pre-Julian Roman Original Julian Proleptic Julian Revised Julian
Gregorian	Gregorian Proleptic Gregorian Old Style and New Style dates Adoption of the Gregorian calendar Dual dating
Astronomical	Lunisolar (Hebrew,Hindu) Solar Lunar (Islamic) Astronomical year numbering
Others	Chinese sexagenary cycle Geologic Calendar Iranian ISO week date Mesoamerican Maya Aztec Winter count New Earth Time

Astronomic time

Concepts	Deep time Geological history of Earth Geological time units
Standards	Global Standard Stratigraphic Age (GSSA) Global Boundary Stratotype Section and Point (GSSP)
Methods	Chronostratigraphy Geochronology Isotope geochemistry Law of superposition Luminescence dating Samarium–neodymium dating

Chronological
dating

Absolute dating	Amino acid racemisation Archaeomagnetic dating Dendrochronology Ice core Incremental dating Lichenometry Paleomagnetism Radiometric dating Lead–lead Potassium–argon Radiocarbon Uranium–lead Tephrochronology Luminescence dating Thermoluminescence dating
Relative dating	Fluorine absorption Nitrogen dating Obsidian hydration Seriation Stratigraphy

Genetic methods

Molecular clock

Linguistic methods

Glottochronology

Related topics

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