Jacques Cassini

1677 - 1756

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Jacques Cassini (18 February 1677 – 16 April 1756) was a French astronomer, son of the famous Italian astronomer Giovanni Domenico Cassini. Cassini was born at the Paris Observatory. Admitted at the age of seventeen to membership of the French Academy of Sciences, he was elected in 1696 a fellow of the Royal Society of London, and became maître des comptes in 1706. Read more on Wikipedia

Since 2007, the English Wikipedia page of Jacques Cassini has received more than 52,581 page views. His biography is available in 32 different languages on Wikipedia (up from 31 in 2019). Jacques Cassini is the 73rd most popular astronomer (up from 74th in 2019), the 1,107th most popular biography from France (up from 1,118th in 2019) and the 5th most popular French Astronomer.

Jacques Cassini is most famous for his contributions to astronomy. He was the first to measure the distance from Earth to the Sun with a telescope, and he was the first to measure the rotation of Mars.

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Among astronomers, Jacques Cassini ranks 73 out of 532Before him are Stephen Gray, John Flamsteed, George Darwin, Petrus Plancius, Sosigenes of Alexandria, and Johann Franz Encke. After him are Lewis A. Swift, Ejnar Hertzsprung, Walter Baade, Abū Ishāq Ibrāhīm al-Zarqālī, Petrus Apianus, and Abu Hanifa Dinawari.

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Among people born in 1677, Jacques Cassini ranks 4Before him are Li Ching-Yuen, Stanisław Leszczyński, and Françoise Marie de Bourbon. After him are Stephen Hales, Johann Ludwig Bach, Pietro Grimani, Jan Santini Aichel, Otto Ferdinand von Abensperg und Traun, Magdalena Wilhelmine of Württemberg, and George Farquhar. Among people deceased in 1756, Jacques Cassini ranks 2Before him is Maria Amalia of Austria. After him are Riccardo Broschi, Theodore of Corsica, Şehsuvar Sultan, Johann Gottlieb Goldberg, Princess Louise of Denmark, Christian Ludwig II, Duke of Mecklenburg-Schwerin, Princess Marie Auguste of Thurn and Taxis, Olof Celsius, Giacomo Antonio Perti, and Alivardi Khan.

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In France

Among people born in France, Jacques Cassini ranks 1,107 out of 5,234Before him are Pierre-Charles Villeneuve (1763), Victor, Prince Napoléon (1862), Charles, Duke of Berry (1686), Marie-Louise O'Murphy (1737), Thomas Couture (1815), and Antoine Meillet (1866). After him are Ninon de l'Enclos (1620), Louise de Marillac (1591), Livilla (-13), Jacques Perrin (1941), Jean de Joinville (1224), and Stéphanie de Beauharnais (1789).


Among astronomers born in France, Jacques Cassini ranks 5Before him are Charles Messier (1730), Pierre Méchain (1744), Jérôme Lalande (1732), and Pierre Janssen (1824). After him are Nicolas-Claude Fabri de Peiresc (1580), Nicolas-Louis de Lacaille (1713), Jean Picard (1620), Alphonse Borrelly (1842), Édouard Stephan (1837), Guillaume Bigourdan (1851), and Joseph-Nicolas Delisle (1688).