Definition. The Lorentz factor γ is defined as = = =, where: v is the relative velocity between inertial reference frames,; c is the speed of light in a vacuum,; β is the ratio of v to c,; t is coordinate time,; τ is the proper time for an observer (measuring time intervals in the observer's own frame).; This is the most frequently used form in practice, though not the only one (see …

In contemporary history, the third millennium of the anno Domini or Common Era in the Gregorian calendar is the current millennium spanning the years 2001 to 3000 (21st to 30th centuries). Ongoing futures studies seek to understand what is likely to continue and what could plausibly change in the course of this period and beyond.

関西エアポート株式会社（かんさいエアポート、Kansai Airports）は、関西国際空港及び大阪国際空港の運営を目的に2015年 12月1日に設立された日本の会社。 2016年 4月1日より新関西国際空港株式会社から運営権が移管された 。 2018年4月1日からは100%出資会社である関西エアポート神戸株式会社が ...

This is an incomplete list of solar eclipses visible from the United States between 1001 and 3000. All eclipses whose path of totality or annularity passes through the land territory of the current fifty U.S. states are included. For lists of eclipses worldwide, see the list of 20th-century solar eclipses and 21st-century solar eclipses

Video Graphics Array (VGA) is a video display controller and accompanying de facto graphics standard, first introduced with the IBM PS/2 line of computers in 1987, which became ubiquitous in the PC industry within three years. The term can now refer to the computer display standard, the 15-pin D-subminiature VGA connector, or the 640×480 resolution characteristic of the VGA …

This is a complete list of the 2,055 cities and towns in Germany (as of 1 March 2022). There is no distinction between town and city in Germany; a Stadt is an independent municipality (see Municipalities of Germany) that has been given the right to use that title.In contrast, the generally smaller German municipalities that do not use this title, and are thus not included here, are …

季節. 大気が冷えてきて、露ができ始めるころ。『暦便覧』では、「陰気やうやく重りて、露にごりて白色となれば也」と説明している。 日付. 定気法による白露の瞬間（世界時、ut）と、日本・中国での白露日の日付は表のとおり。 日本における時刻はこの表の9時間後 、中国では8時 …

History Origins. UNESCO and its mandate for international cooperation can be traced back to a League of Nations resolution on 21 September 1921, to elect a Commission to study the feasibility of having nations freely share cultural, educational and scientific achievements. This new body, the International Committee on Intellectual Cooperation (ICIC), was created in 1922 and …

干支 : 丁丑; 日本. 永正14年; 皇紀2177年; 中国. 明 : 正徳12年; 朝鮮. 李氏朝鮮 : 中宗12年; 檀紀3850年; ベトナム. 後黎朝 : 光紹2年 . 陳㫒 : 宣和2年?; 仏滅紀元 : 2059年 - 2060年; イスラム暦 : 922年 - 923年; ユダヤ暦 : 5277年 - 5278年

Prior to the 2019 United Kingdom general election, various organisations carried out opinion polling to gauge voting intentions. Results of such polls are displayed in this list. Most of the pollsters listed are members of the British Polling Council (BPC) and abide by its disclosure rules. Opinion polling about attitudes to the leaders of various political parties can be found in a …