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Heliacal rising: Difference between revisions
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To the Māori of New Zealand, the Pleiades are called Matariki, and their heliacal rising signifies the beginning of the new year (around June). The Mapuche of South America called the Pleiades Ngauponi which in the vicinity of the we tripantu (Mapuche new year) will disappear by the west, lafkenmapu or ngulumapu, appearing at dawn to the East, a few days before the birth of new life in nature. Heliacal rising of Ngauponi, i.e. appearance of the Pleiades by the horizon over an hour before the Sun approximately 12 days before the winter solstice, announced we tripantu. | To the Māori of New Zealand, the Pleiades are called Matariki, and their heliacal rising signifies the beginning of the new year (around June). The Mapuche of South America called the Pleiades Ngauponi which in the vicinity of the we tripantu (Mapuche new year) will disappear by the west, lafkenmapu or ngulumapu, appearing at dawn to the East, a few days before the birth of new life in nature. Heliacal rising of Ngauponi, i.e. appearance of the Pleiades by the horizon over an hour before the Sun approximately 12 days before the winter solstice, announced we tripantu. | ||
When a planet has a | When a planet has a [[Heliacal rising]], there is a conjunction with the sun beforehand. Depending on the type of conjunction, there may be a syzygy, eclipse, transit, or occultation of the sun. The Moon's heliacal rising (a.k.a. the new moon) often determines the start of a month in a lunar calendar, which may have religious or political significance. | ||
The corresponding rising of a celestial body above the eastern horizon at sunset is called its acronychal rising, which for a planet signifies a solar opposition in astrology, another type of syzygy. If the moon has an acronychal rising, it is usually a full moon or potentially a lunar eclipse.<ref>[https://en.wikipedia.org/wiki/Heliacal_rising]</ref> | The corresponding rising of a celestial body above the eastern horizon at sunset is called its acronychal rising, which for a planet signifies a solar opposition in astrology, another type of syzygy. If the moon has an acronychal rising, it is usually a full moon or potentially a lunar eclipse.<ref>[https://en.wikipedia.org/wiki/Heliacal_rising]</ref> | ||