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Hace 1 día · Hḗrā; Ἥρη, Hḗrē in Ionic and Homeric Greek) is the goddess of marriage, women, and family, and the protector of women during childbirth. In Greek mythology, she is queen of the twelve Olympians and Mount Olympus, sister and wife of Zeus, and daughter of the Titans Cronus and Rhea.
Hace 3 horas · v. t. e. Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine. Physically, they are usually lighter (less dense) than metals; brittle or crumbly if solid; and often poor conductors of heat and electricity.
Hace 1 día · Nicolaus Copernicus [b] (19 February 1473 – 24 May 1543) was a Renaissance polymath, active as a mathematician, astronomer, and Catholic canon, who formulated a model of the universe that placed the Sun rather than Earth at its center.
Hace 1 día · Desalination has been known to history for millennia as both a concept, and later practice, though in a limited form. The ancient Greek philosopher Aristotle observed in his work Meteorology that "salt water, when it turns into vapour, becomes sweet and the vapour does not form salt water again when it condenses," and also noticed that a fine wax vessel would hold potable water after being ...
Hace 1 día · Phases of ice. Log-lin pressure-temperature phase diagram of water. The Roman numerals correspond to some ice phases listed below. The phases of ice are all the possible states of matter for water as a solid. Currently, 19 phases, including both crystalline and amorphous) ice have been observed at various densities.
Hace 1 día · Columbia University. / 40.80750°N 73.96194°W / 40.80750; -73.96194. Columbia University, officially Columbia University in the City of New York, [6] is a private, Ivy League, research university in New York City, United States. Established in 1754 as King's College on the grounds of Trinity Church in Manhattan, it is the oldest ...
Hace 3 horas · 古典时代. 古典时代 （英語： classical antiquity ）或称为 古典时期 、 古典古代 ，是对 希臘-羅馬世界 （以 地中海 为中心，包括 古希腊 和 古罗马 等一系列文明）的长期文化 史 的一个广义称谓。. 在这个时期中，古希腊文明和古罗马文明十分繁荣，对欧洲 ...
