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Jean Picard
 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (January 2025) |
Jean Picard | |
|---|---|
 Picard by Henri Testelin, c. 1680 | |
| Born | 21 July 1620 |
| Died | 12 July 1682 (aged 61) |
| Nationality | French |
| Occupation | Astronomer |
| Notable work | Mesure de la Terre |
Jean Picard (21 July 1620 – 12 July 1682) was a French astronomer and priest born in La Flèche, where he studied at the Jesuit Collège Royal Henry-Le-Grand.
He is principally notable for his accurate measure of the size of the Earth, based on a careful survey of one degree of latitude along the Paris Meridian.
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