Giuseppe Piazzi
Italian Catholic priest, mathematician and astronomer (1746–1826)
Summary
Updated 2026-05-29
Italian astronomer who spotted Ceres in 1801 and accidentally kickstarted the dwarf planet category. Ran the Palermo observatory and happened to find the solar system's smallest celebrity.
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Giuseppe Piazzi 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. He is perhaps most famous for his discovery of the first dwarf planet, Ceres.
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Falling4.7
Composite of search demand, mentions, audience & graph footprint.
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Historical19.7
Source confidence60.0
Completeness60.0
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- WikidataHigh confidencewikidata · wikidata.org
- WikipediaHigh confidencewikipedia · en.wikipedia.org
- Pantheon 2.0High confidencedatabase · pantheon.world
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