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秋分

2 件の記事

Illumination of Earth by the Sun on the day of an equinox

秋分（9月の分点）の天文学的メカニズムと世界文化への影響

秋分天文学春分点天球の赤道
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The astronomical and meteorological periods of the four-seasons reckoning across the year at the Northern Hemisphere, displayed as segments of Earth's orbit. Astronomically a season encompasses the time between an equinox and solstice. Meteorologically seasons are quarters of the annual temperature cycle,[1] centered on the season characteristic temperatures, which trail equinox and solstice.

季節のメカニズム地球の傾きと公転がもたらす気候の変動

季節地軸の傾き公転春分
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