astronomical twilight wiki
English[edit]. Noun[edit]. astronomical twilight (uncountable). The period in which the sun is between 12° and 18° below the horizon in the morning and evening. ,Civil twilight is the brightest phase of twilight, the illumination of the lower ... ,Dawn, from an Old English verb dagian: "to become day", is the time that marks the beginning ... night, especially in areas with light pollution. Astronomical dawn marks the beginning of astronomical twilight, which lasts until nautical dawn. ,Dusk occurs at the darkest stage of twilight, or at the very end of astronomical ... ,Sunset, also known as sundown, is the daily disappearance of the Sun below the horizon due ... Dusk is at the very end of astronomical twilight, and is the darkest moment of twilight just before night. Night occurs when the Sun reaches 18 ... ,Astronomers define the three stages of twilight – civil, nautical, and astronomical – on the basis of the Sun's elevation which is the angle that the geometric ... ,Twilight means either dawn (in the morning) or dusk (in the evening). ... Astronomical twilight is when the sun is between 12° and 18° below the horizon. ,跳到 Nautical dawn and dusk - It is preceded by morning astronomical twilight and followed by morning nautical twilight. Nautical dusk is the ... ,維基百科，自由的百科全書. 跳至導覽 跳 .... Night-Time and Twilight Photography.. (編) Michael ... Publications of the Astronomical Society of the Pacific. 1965-08 ... ,曙暮光是在日出之前或日落之後散射在地球大氣層的上層，照亮了低層的大氣與地球表面的陽光。 .... 航海曙暮光有軍事上的考量，英文縮寫的BMNT（Begin Morning Nautical Twilight）和EENT（End Evening Nautical Twilight），在計劃軍事行動時，會被 ...
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astronomical twilight - Wiktionary
English[edit]. Noun[edit]. astronomical twilight (uncountable). The period in which the sun is between 12° and 18° below the horizon in the morning and evening. https://en.wiktionary.org Civil twilight (disambiguation) - Wikipedia
Civil twilight is the brightest phase of twilight, the illumination of the lower ... https://en.wikipedia.org Dawn - Wikipedia
Dawn, from an Old English verb dagian: "to become day", is the time that marks the beginning ... night, especially in areas with light pollution. Astronomical dawn marks the beginning of ast... https://en.wikipedia.org Dusk - Wikipedia
Dusk occurs at the darkest stage of twilight, or at the very end of astronomical ... https://en.wikipedia.org Sunset - Wikipedia
Sunset, also known as sundown, is the daily disappearance of the Sun below the horizon due ... Dusk is at the very end of astronomical twilight, and is the darkest moment of twilight just before night... https://en.wikipedia.org The Different Types of Twilight, Dawn and Dusk - Time and Date
Astronomers define the three stages of twilight – civil, nautical, and astronomical – on the basis of the Sun's elevation which is the angle that the geometric ... https://www.timeanddate.com Twilight - Simple English Wikipedia, the free encyclopedia
Twilight means either dawn (in the morning) or dusk (in the evening). ... Astronomical twilight is when the sun is between 12° and 18° below the horizon. https://simple.wikipedia.org Twilight - Wikipedia
跳到 Nautical dawn and dusk - It is preceded by morning astronomical twilight and followed by morning nautical twilight. Nautical dusk is the ... https://en.wikipedia.org 星跡- 維基百科，自由的百科全書 - Wikipedia
維基百科，自由的百科全書. 跳至導覽 跳 .... Night-Time and Twilight Photography.. (編) Michael ... Publications of the Astronomical Society of the Pacific. 1965-08 ... https://zh.wikipedia.org 曙暮光- 维基百科，自由的百科全书
曙暮光是在日出之前或日落之後散射在地球大氣層的上層，照亮了低層的大氣與地球表面的陽光。 .... 航海曙暮光有軍事上的考量，英文縮寫的BMNT（Begin Morning Nautical Twilight）和EENT（End Evening Nautical Twilight），在計劃軍事行動時，會被 ... https://zh.wikipedia.org |