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  1. Giuseppe Piazzi ( US: / ˈpjɑːtsi / PYAHT-see, [1] Italian: [dʒuˈzɛppe ˈpjattsi]; 16 July 1746 – 22 July 1826) was an Italian Catholic priest of the Theatine order, mathematician, and astronomer. He established an observatory at Palermo, now the Osservatorio Astronomico di Palermo – Giuseppe S. Vaiana. [2]

  2. Apr 2, 2024 · Giuseppe Piazzi was an Italian astronomer who discovered (January 1, 1801) and named the first asteroid, or “minor planet,” Ceres. 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

    • The Editors of Encyclopaedia Britannica
  3. Piazzi was ordained a priest in 1769 and assigned to Genoa to teach philosophy. He soon accepted the chair of mathematics at the University of Malta, taking up the appointment in July 1770, but when the university was briefly suspended in 1773 he was sent to teach philosophy and mathematics, and to direct the College of Santa Caterina, better ...

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  5. Jan 26, 2016 · Learn how Giuseppe Piazzi, an Italian astronomer, observed a small, faint light in the sky on January 1, 1801, and correctly identified it as Ceres, the first known dwarf planet. Find out how he faced challenges and controversies in his quest to prove that Ceres was not a comet, and how NASA's Dawn mission has revealed its secrets for 215 years.

  6. Jan 1, 2021 · Giuseppe Piazzi was an Italian priest, mathematician and astronomer who discovered the first asteroid, now called Ceres, on January 1, 1801. He calculated its distance from Mars and Jupiter and named it after the Roman goddess of agriculture. He also observed Ceres with a spacecraft and discovered its features and secrets.

  7. May 17, 2018 · PIAZZI, GIUSEPPE. ( b. Ponte in Valtellina, Italy [now Switzerland], 16 July 1746; d. Naples, Italy, 22 July 1826) astronomy. 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 ...

  8. Giuseppe Piazzi (1746—1826) Quick Reference (1746–1826) Italianastronomer and monk. In 1789 he acquired a high-quality transit instrument made by the English ...

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