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Milky Way: Many European languages have borrowed, directly or indirectly, the Greek name for the Milky Way, including English and Latin. Road to Santiago: the Milky Way was traditionally used as a guide by pilgrims traveling to the holy site at Compostela, hence the use of "The Road to Santiago" as a name for the Milky Way. [58]
The Greek name for the Milky Way (Γαλαξίας Galaxias) is derived from the Greek word for milk (γάλα, gala). One legend explains how the Milky Way was created by Heracles (Roman Hercules) when he was a baby. [16] His father, Zeus, was fond of his son, who was born of the mortal woman Alcmene.
5th century BC – Democritus proposes that the bright band in the night sky known as the Milky Way might consist of stars. 4th century BC – Aristotle believes the Milky Way to be caused by "the ignition of the fiery exhalation of some stars which were large, numerous and close together" and that the "ignition takes place in the upper part of the atmosphere, in the region of the world which ...
At some point in the mid-1980s, a pony-tailed upstate New York environmental activist named Jay Westerveld picked up a card in a South Pacific hotel room and read the following: "Save Our Planet ...
The Milky Way can be seen as a large band across the night sky, and is distorted into an arch in this 360° panorama. The term night sky refers to the sky as seen at night. The term is usually associated with skygazing and astronomy , with reference to views of celestial bodies such as stars, the Moon, and planets that become visible on a clear ...
A practical definition of water pollution is: "Water pollution is the addition of substances or energy forms that directly or indirectly alter the nature of the water body in such a manner that negatively affects its legitimate uses." [1]: 6 Water is typically referred to as polluted when it is impaired by anthropogenic contaminants.
He also aimed his telescope to the faint strip of the Milky Way, and he found it resolves into countless white star-like spots, presumably farther stars themselves. [39] The term "Solar System" entered the English language by 1704, when John Locke used it to refer to the Sun, planets, and comets as a whole. [40]
It has an absolute magnitude of +4.83, estimated to be brighter than about 85% of the stars in the Milky Way, most of which are red dwarfs. [27] [28] It is more massive than 95% of the stars within 7 pc (23 ly). [29] The Sun is a Population I, or heavy-element-rich, [b] star. [30]