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As a young man, Piazzi entered the Theatine Order in Milan. He completed his studies there and in Rome, obtaining the doctorate in philosophy and mathematics. From 1769 until 1779 Piazzi taught mathematics in a number of Italian cities; in 1780 he was summoned by the prince of Caramanico, Bourbon viceroy of Sicily, to fill the chair of higher mathematics ...
He supervised the compilation of the Palermo Catalogue of stars, containing 7,646 star entries with unprecedented precision including the star names "Garnet Star" from Herschel, and the original Rotanev and Sualocin. The work on this catalogue was started in 1789, enabling Piazzi and collaborators to observe the sky methodically. The catalogue wasn't finished for first edition publication until 1803, and ...
Ponte in Valtellina, 16 July 1746-Nápoles, 1826) Astrónomo italiano. Confeccionó un catálogo que incluía la posición de 7.646 estrellas y observó la estrella 61 de la constelación del Cisne. Su mayor descubrimiento fue la localización en 1801 de uno de los pequeños planetas (Ceres) que gravitan alrededor del Sol entre Marte y Júpiter. ...
While looking for a small star mentioned in one of the earlier lists he made his great discovery of the first known planetoid, 1 Jan., 1801. Locating a strange heavenly body of the eighth magnitude and repeating the observation several nights in succession, he found that this star had shifted slightly. Believing it to be a comet, he announced its ...
Piazzi became a Theatine priest about 1764 and a professor of theology in Rome in 1779, and in 1780 he was appointed professor of higher mathematics at the Academy of Palermo. Later, with the aid of the viceroy of Sicily, he founded the Observatory of Palermo. There he produced his great catalog of the positions of 7,646 stars and demonstrated ...
Giuseppe Piazzi (16 July 1746 – 22 July 1826) was an Italian Catholic priest of the Theatine order, mathematician, and astronomer. He was born in Ponte in Valtellina, and died in Naples. He established an observatory at Palermo, now the Osservatorio Astronomico di Palermo – Giuseppe S. Vaiana Perhaps his most famous discovery was the first dwarf planet, Ceres. ...
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