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Equinox , Equinox
The Latin meaning of the word “equinox” is “equal night,” referring to those two moments in the year when day and night are equal in length.… Solar Constant , solar constant The mean intensity of the solar beam in free space (i.e. before penetrating the Earth's atmosphere) at the average distance of the Ear… Telluride , telluride •hayride • chloride • joyride • telluride •sun-dried • fluoride • saccharide Ecliptic , e·clip·tic / iˈkliptik/ • n. Astron. a great circle on the celestial sphere representing the sun's apparent path during the year, so called because l… Solstice , Solstice, in astronomy, refers to the two points in the ecliptic for which the sun is the farthest distance from the celestial equator. Thus, it also… Heraclides Of Pontus , Heraclides Ponticus
HERACLIDES PONTICUS
(b. Heraclea Pontica [now Ereğli, Turkey], ca. 390 B.C.: d, Heraclea Pontica, after 339 B.C.),
astronomy, phi…
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