Ceres resonance

Minor planets in estimated resonance with Ceres.

Asteroids, Central main belt objects, Focus On, Hansa family, Main belt objects, Sagittarius discovery

Focus On: (480) Hansa

Name origin: The Hanseatic League, a northern continental European commercial and defensive confederation of cities. The word ‘hansa’ or ‘hanse’ means ‘convoy’ in Old German, and refers to the merchants travelling between points in the League. While the area was not generally independent, it was influential and had diplomatic privileges. Some of the Gothic architecture remains.

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Detail of a mediaeval manuscript page featuring Prudencia (crowned), at top riding a wagon and then a horse to the celestial Empyrean; at bottom, addressing young women.
Asteroids, Central main belt objects, Focus On, Main belt objects, Virgo discovery

Focus On: (474) Prudentia

Name origin: Roman personification of prudence. Prudentia, whose attributes are a mirror and a snake, is frequently depicted as a pair with Justitia, the Roman goddess of Justice. The word “prudence” derives from the Latin prudentia meaning “foresight, sagacity”.

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The Babylonian mathematical tablet Plimpton 322, dated to 1800 BC. Photo from the University of British Columbia, Canada.
Asteroids, Central main belt objects, Focus On, Libra discovery, Main belt objects

Focus On: (454) Mathesis

Name origin: Learning, or mathematics, from the Greek term, to honour the Mathematische Gesellschaft in Hamburg, Germany, which was founded in 1690 and is the oldest still-active mathematical society in the world, and the second-oldest scientific society in Germany.

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Oracle of Delphi: King Aigeus in front of the Pythia. Attic red-figure kylix from Vulci (Italy), 440-430 BCE, Kodros Painter; held at Altes Museum, Berlin.
Asteroids, Focus On, Gemini discovery, Inner main belt objects, Main belt objects

Focus On: (432) Pythia

The Pythia was the high priestess and oracle of the temple of Apollo at Delphi. Established by the 8th century BCE (though some sources date the shrine’s beginnings around 600 years farther back), the Pythia became pre-eminent by the 7th century BCE. Widely respected, the priestess continued to be consulted until the late 4th century CE.

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Photo of a whirlpool in the Gulf of Corryvreckan, Scotland; the third largest in the world. The whirlpool is quite close to the viewer, a near-circular spiral with white foam amid a dark blue-green sea; in the background is a bare-looking rocky terrain not far off. The sky is blue with some blended white cloud.
Asteroids, Focus On, Main belt objects, Outer main belt objects, Virgo discovery

Focus On: (388) Charybdis

Name origin: Greek sea-monster, daughter of Pontos and Gaia. Kharybdis presided over a whirlpool guarding the Strait of Messina and was likely the cause of the tides with her thrice-daily intake and expulsion of large amounts of water.

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The upper part of Siegen city.
Asteroids, Focus On, Main belt objects, Outer main belt objects, Virgo discovery

Focus On: (386) Siegena

Siegen is a university city in the Arnsberg region of North Rhine-Westphalia, Germany. It lies in the basin of the river Sieg, and is surrounded by mountains, which where uninhabited are covered in coppice. Siegen lies on the German-Dutch holiday road called the Orange Route, joining towns, cities and regions associated with the House of Orange.

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Ruins of Aeclanum, a Roman town in Irpinia district, now Avellino, Campania. The ruin stands in a green park with trees in the background. A diamond patterning is visible on most of the walls, alongside thinly layered horizontal reddish bricks.
Aries discovery, Asteroids, Central main belt objects, Focus On, Main belt objects

Focus On: (377) Campania

Name origin: Campania, a region of south-west Italy. Occupied by several Italic tribes since the beginning of the 1st millennium BCE. The Etruscans and Greeks established colonies in the Campanian Plains and in Naples respectively, before it became part of the Roman republic by the end of the 4th century BCE.

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