standard epoch

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• Epoch (reference date) — In the fields of chronology and periodization, an epoch means an instant in time chosen as the origin of a particular era. The epoch then serves as a reference point from which time is measured. Time measurement units are counted from the epoch… …   Wikipedia

• Epoch (astronomy) — In astronomy, an epoch is a moment in time used as a reference for the orbital elements of a celestial body. [cite book|last=Soop|first=E. M.|title=Handbook of Geostationary Orbits|publisher=Springer|date=1994|isbn=9780792330547] Typically, the… …   Wikipedia

• Epoch Electrotennis — Jeu vidéo Moonlander, 1973 Un jeu vidéo, ou ludiciel, est un jeu utilisant un dispositif informatique. Le joueur utilise des périphériques pour agir sur le jeu et percevoir l’environnement virtuel …   Wikipédia en Français

• Julian epoch — (J)    a measure of time used in astronomy. The word epoch comes from Greek, and means a fixed or standard instant of time. Other times are stated with reference to this fixed time using years and fractions of years. In 1984, astronomers agreed… …   Dictionary of units of measurement

• Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… …   Universalium

• Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… …   Universalium

• Battle of the Standard — Infobox Military Conflict conflict=Battle of the Standard caption=Battlefield monument at gbmapping|SE360977 date=22 August 1138 place= Cowton Moor near Northallerton in Yorkshire result=English victory combatant1=Kingdom of England… …   Wikipedia

• Quantum gravity epoch — In physical cosmology, the quantum gravity epoch is the first era in the history of the Universe according to the standard Big Bang cosmology. In this era, the effects of quantum gravity such as fluctuating topology of space are commonplace. The… …   Wikipedia

• Canadian Epoch — The Canadian is the Lower or Early Ordovician in North America. The term is common in the older literature and has been well understood for more than a century. However is has no official recognition by the ICS* and has been superseded by the… …   Wikipedia

• Julian year (astronomy) — In astronomy, a Julian year (symbol: a) is a unit of measurement of time defined as exactly 365.25 days of 86,400 SI seconds each, totalling 31,557,600 seconds. That is the average length of the year in the Julian calendar used in Western… …   Wikipedia

• Norton's Star Atlas — is a set of 16 celestial charts, first published in 1910 and currently in its 20th edition under the editorship of Ian Ridpath. The Star Atlas covers the entire northern and southern sky, with accompanying reference information for amateur… …   Wikipedia