与 «NAUTICAL TWILIGHT»相关的英语书籍
在以下的参考文献中发现
nautical twilight的用法。与
nautical twilight相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
2012 U. S. Naval Observatory
Nautical Almanac
At the times given for the beginning and end of twilight, the Sun's zenith distance
is 96° for civil, and 102° for nautical twilight. The degree of illumination at the
times given for civil twilight (in good conditions and in the absence of other ...
U S Naval Observatory, UK Hydrographic Office, United Kingdom Hydrographic Office, 2012
2
Nautical Twilight: The Story of a Cape Cod Fishing Family
The true life adventures of a Cape Cod commercial fisherman are described from a unique perspective.
3
Light and Dark: An exploration in science, nature, art and ...
Nautical twilight lasts longer, as it begins or ends when the centre of the Sun is
12° below the horizon, which most people would regard as complete darkness.
Astronomers are particularly fussy about scattered sunlight in the night sky, and
try ...
Evening nautical twilight begins when the setting sun is 6° below the horizon,
and ends when the sun is 12" below the horizon. Evening astronomical twilight
begins when the sun is 12° below the horizon, and ends when the sun is 18°
below ...
Robert Bruce Thompson, Barbara Fritchman Thompson, 2005
5
Night Photography: From Snapshots to Great Shots
You'll have to move quickly—this time typically lasts only 20 to 30 minutes before
we dip into nautical twilight. The second evening twilight time is called nautical
twilight, when the sun dips 12 degrees below the horizon. The light in the sky ...
6
Sea Kayaking: A Guide for Sea Canoeists
Nautical twilight Beginning of morning nautical twilight The beginning of morning
nautical twilight is defined as 'the instant in the morning, when the centre of the
sun is at a depression angle of twelve degrees (12°) below an ideal horizon.
7
Trial Preparation Tools
Nautical twilight is defined to begin in the morning, and to end in the evening,
when the center of the sun is geometrically 12 degrees below the horizon. At the
beginning of end of nautical twilight, under good atmospheric conditions and in
the ...
Beth Driscoll Osowski, 2009
8
Discover Nature at Sundown: Things to Know and Things to Do
The portion of the day between dusk and dark has been conveniently divided into
two periods called "civil twilight" and "nautical twilight." These represent blocks of
time that are distinguished by the number of degrees that the sun is below the ...
Elizabeth P. Lawlor, 1995
9
Lights in the Sky: Identifying and Understanding ...
... the horizon interface between sea and sky is fraught with false sightings—or
rather a surfeit of them. Nautical twilight's start is defined as the time the Sun
reaches a point 12 below the horizon.
As nautical twilight progresses, reddish colors disappear, to be gradually
replaced by deep, scattered blues that descend progressively from the sky's
upper vault. During this time, most diurnal animals will be returning to their roosts
and ...
包含词语«NAUTICAL TWILIGHT»的新条目
找出国内和国际出版社所讨论的内容，以及词语
nautical twilight在以下新条目的上下文中是如何使用的。
The sun's best light
... tap the main screen and get seven more photo-centric times such as morning astronomical twilight or evening nautical twilight, to name two. «Philly.com, 七月 15»
Travel tech: Lumy photo app
... tap the main screen and get seven more photo-centric times such as morning astronomical twilight or evening nautical twilight, to name two. «Miami Herald, 七月 15»
Hubble crossing of moon's face a rare event
Nautical twilight extends until 12 degrees below. Astronomical twilight goes for another 6 degrees until the sun is 18 degrees below the horizon ... «Florida Today, 六月 15»
Web Buzz: Lumy app tracks the sun to aid your picture-taking
... tap the main screen and get seven more photo-centric times such as morning astronomical twilight or evening nautical twilight, to name two. «Los Angeles Times, 六月 15»
What is the Summer Solstice? Stonehenge Weather Forecast
During this time of year, much of Scotland remains in nautical twilight throughout the night, meaning the sky doesn't completely go dark. «The Weather Network, 六月 15»
LOOKING AROUND - NATURALLY: The sun rises, the sun sets
For nautical twilight, it's 12 degrees. During that time, mariners can still see the horizon. For astronomical twilight, it's 18 degrees. During that ... «Wicked Local Mansfield, 六月 15»
NASA invites Earthlings to experience Pluto Time
Other markers include nautical twilight (12°), and astronomical twilight (18°). Don't forget to check out and document Pluto Time, coming to a ... «Sen, 六月 15»
Daylight meteor shower might produce Earthgrazers
... just before dawn is bunk: The sky slowly brightens before sunrise; Aries rises between nautical twilight (5:37 a.m., when stars and the horizon ... «The News-Press, 六月 15»
Starry, starry nights – with Steve Pond
Nautical Twilight: The Sun is now 6° – 12° below the horizon. Should you have a clear horizon during this period, even if the sky was Moonless, ... «East Grinstead Online, 六月 15»
Single Work Appreciation Day: 'Nautical Twilight,' Carolyn Marks …
Blackwood joins in here with the rich history of landscape painting. Landscape is not an easy genre: nature is unruly, and does not wish to ... «Huffington Post, 五月 15»
