Asterisms Sentence Examples

asterisms
  • Canes Venatici ("The Hounds," or "the greyhounds"), in astronomy, a constellation of the northern hemisphere named by Hevelius in 1690, who compiled it from the stars between the older asterisms Ursa Major, Bodtes and Coma Berenices.

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  • Modern asterisms first appear in the Phaenomena of Eudoxus about 370 B.C. But Eudoxus, there is reason to believe, consulted, not the heavens, but a celestial globe of an anterior epoch, on which the stars and the signs were forced into unnatural agreement.

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  • The nomenclature of the Hindu signs of the zodiac, save as regards a few standard asterisms, such as Agvini and KrittikÃ, was far from uniform.

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  • In the Brahmana period they were distinguished as " deva " and " yama," the fourteen lucky asterisms being probably associated with the waxing, the fourteen unlucky with the waning moon.'

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  • The nomenclature of the Hindu signs of the zodiac, save as regards a few standard asterisms, such as Agvini and Krittikä, was far from uniform.

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  • Eighteen Chinese determinants were included in the Arab asterisms, and of these five or six were not nakshatra stars; consequently, they must have been taken directly from the Chinese series.

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  • With the development of observational astronomy the sidereal universe was arbitrarily divided into areas characterized by special assemblages of stars; these assemblages were named asterisms by Ptolemy, who termed the brightest stars "of the fi rst magnitude," and the progressively fainter Stars.

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  • They copied the Ba by Ionian asterisms, appropriated Babylonian knowledge of the planets and their courses, and learned to predict eclipses by means of the " Saros."

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  • From the earliest times the star-groups known as constellations, the smaller groups (parts of constellations) known as asterisms, and also individual stars, have received names connoting some meteorological phenomena, or symbolizing religious or mythological beliefs.

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  • In the 5th century B.C. the Athenian astronomer Euctemon, according to Geminus of Rhodes, compiled a weather calendar in which Aquarius, Aquila, Canis major, Corona, Cygnus, Delphinus, Lyra, Orion, Pegasus, Sagitta and the asterisms Hyades and Pleiades are mentioned, always, however, in re Corvus.

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  • He diverged from Ptolemy when he placed the asterisms Coma Berenices and Antinous upon the level of formal constellations, Ptolemy having 1 The historical development of star-catalogues in general, regarded as statistics of the co-ordinates, &c., of stars, is given in the historical section of the article 'ASTRONOMY.

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