The
heliacal rising. (icon | h | ɪ | ˈ | l | aɪ | ə | k | əl |, hi | LY | ə-kəl of a star (or other body such as the moon , a planet or a
Kaynak: Heliacal risingHeliacal year: A
heliacal year is the interval between the
heliacal rising s of a star. It differs from the sidereal year for stars away
Kaynak: Year During a Sothic cycle, the 365-day year loses enough time that the start of the year once again coincides with the
heliacal rising of
Kaynak: Sothic cycleThe
heliacal rising of Sirius marked the flooding of the Nile in Ancient Egypt and the "dog days " of summer for the ancient Greeks ,
Kaynak: SiriusThe
heliacal rising of Pleiades often marks important calendar points for ancient peoples. North Africa : Berber people: The Tuareg Berbers
Kaynak: Pleiades in folklore and literatureThis legend has been interpreted to be a mythological conflation of a seasonal and astronomical event:- The
heliacal rising of Sirius
Kaynak: Apaoshapast with the first appearance of the Pleiades (Tianquiztli ) asterism in the east immediately before the dawn light (See
heliacal rising .)
Kaynak: Aztec calendarThe Babylonian and Egyptian astronomy which formed the basis for the Greek's was based upon
heliacal observations, comparing the
Kaynak: Chinese constellationsprevailing in traditional Western astronomy, where
heliacal risings and settings of zodiac constellations formed the basic ecliptic framework
Kaynak: Chinese astronomylast visibility on the horizon before or after sunrise and sunset (the
heliacal risings and settings of Venus) in the form of lunar dates.
Kaynak: Venus tablet of AmmisaduqaThis significance led the Egyptians to base their calendar on the
heliacal rising of Sirius. Sopdet is the consort of Sah, the
Kaynak: Sopdetwith the intercalation of an extra month regulated either by the
heliacal rising of Sothis or by the inundation of the fields by the Nile
Kaynak: Egyptian calendarFor example, the ancient Egypt ians used the
heliacal rising of Sirius to predict the flooding of the Nile . A study of temperature
Kaynak: Seasonal yearof celestial cycles, and are believed to have consciously oriented their temples to create alignment with the
heliacal rising s of the stars
Kaynak: History of astrologyThe Greeks believed that the
heliacal rising and setting of the Hyades star cluster were always attended with rain, hence the association
Kaynak: Hyades (mythology)The months of the lunar calendar are roughly equivalent to the period from early May to the
heliacal rising of Sirius around the
Kaynak: Season of the Harvest