sirius

English - Turkish

Definition of sirius in English Turkish dictionary: Siryüs; Suarayı Yemani yıldızı; Akyıldız; Büyükköpek takımyıdızında en parlak yıldız

English - English

Definition of sirius in English English dictionary: A bluish-white star in the constellation Canis Major; Alpha (α) Canis Majoris. A vertex of the Winter Triangle and the brightest star in the night sky. It is actually a binary star with a white dwarf companion star; {n} a very bright star, the great dogstar; 6 light-years from the Sun in the constellation Canis Major. The bright component of the binary is a blue-white star 23 times as luminous as the Sun, about twice the size, and considerably hotter; its companion was the first white dwarf star discovered. Its name probably comes from a Greek word meaning "sparkling" or "scorching." The ancient Egyptians used its predawn rising to predict the annual flooding of the Nile. The ancient Romans associated the rising of the Dog Star at dawn with the hottest part of the year, called the "dog days; {i} (Astronomy) brightest star in the sky which is part of the Canis Major (southern constellation), Canicula, Dog Star; or Dog Star Brightest star in the night sky (apparent magnitude -1.44), a binary star about; The Dog-star; so called by the Greeks from the adjective seirios, hot and scorching The Romans called it canicula; and the Egyptians, sothis; The brightest star in the night sky, Sirius was the embodiment of Isis, sister and consort of the god Osiris, who appeared in the sky as Orion Sirius first appeared in the dawn sky each year around the time of the summer solstice and just before the Nile's flood season Egyptians believed Sirius was responsible for the rains, so it was vital to accurately predict its arrival Sirius was the centerpiece of Egypt's 365-day solar calendar, and its appearance marked the beginning of the new year; the brightest star in the sky; in Canis Major; See Dog Star; The Dog Star