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(Created page with "O Cruzeiro do Sul") |
(Created page with "O '''Cruzeiro do Sul''' (também conhecido como ''Crux'') é uma constelação no céu do hemisfério sul. É uma das constelações mais fáceis de ser reconhecida, e com fre...") |
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[[File:1200px-Deep Crux wide field with fog.jpg|thumb|O Cruzeiro do Sul]] | [[File:1200px-Deep Crux wide field with fog.jpg|thumb|O Cruzeiro do Sul]] | ||
O '''Cruzeiro do Sul''' (também conhecido como ''Crux'') é uma constelação no céu do hemisfério sul. É uma das constelações mais fáceis de ser reconhecida, e com frequência é usada para navegação no hemisfério sul como a Estrela Polar é para o hemisfério norte. O Cruzeiro do Sul consta nas bandeiras da Austrália, Nova Zelândia, Papua Nova Guiné, Brasil e Samoa. | |||
Over the 25,800-year cycle of the precession of the equinoxes, the position of the Southern Cross relative to the south celestial pole varies considerably. The stars of this constellation were known to the ancient Greeks and were visible as far north as Britain in the fourth millennium <small>B</small>.<small>C</small>. However, by 400 <small>A</small>.<small>D</small>., most of the stars of the constellation never rose above the horizon of Athens. It has been noted that the Southern Cross was last visible on the horizon in Jerusalem around the time of Jesus’ [[crucifixion]].<ref>Richard Hinckley Allen, ''Star Names: Their Lore and Meaning'' (New York: Dover, 1963), p. 185.</ref> | Over the 25,800-year cycle of the precession of the equinoxes, the position of the Southern Cross relative to the south celestial pole varies considerably. The stars of this constellation were known to the ancient Greeks and were visible as far north as Britain in the fourth millennium <small>B</small>.<small>C</small>. However, by 400 <small>A</small>.<small>D</small>., most of the stars of the constellation never rose above the horizon of Athens. It has been noted that the Southern Cross was last visible on the horizon in Jerusalem around the time of Jesus’ [[crucifixion]].<ref>Richard Hinckley Allen, ''Star Names: Their Lore and Meaning'' (New York: Dover, 1963), p. 185.</ref> |
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