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Jordanus Fluvius

The River Jordan

Abbreviation:Jor
Genitive:Jordani Fluvii
Origin:Petrus Plancius, 1612

In his 1612 celestial globe, Dutch astronomer and cartographer Petrus Plancius (1552–1622) introduced a number of new constellations, including Jordanus Fluvius, the river Jordan. It is a northern constellation, with its headwaters near the star Cor Caroli and flowing through Leo and what are now Leo Minor and Lynx. However, a host of other faint constellations were placed in this general area by later cartographers and Jordanus dried up before the nineteenth century.

The extinct constellation of Jordanus Fluvius