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47th parallel north : ウィキペディア英語版 | 47th parallel north
The 47th parallel north is a circle of latitude that is 47 degrees north of the Earth's equatorial plane. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean. At this latitude the sun is visible for 15 hours, 54 minutes during the summer solstice and 8 hours, 31 minutes during the winter solstice.〔http://aa.usno.navy.mil/data/docs/Dur_OneYear.php〕 This is the northern limit of the visibility of the star θ Scorpii and thus of the 'tail' of the constellation Scorpius. ==Around the world== Starting at the Prime Meridian and heading eastwards, the parallel 47° north passes through: :
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「47th parallel north」の詳細全文を読む
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