Jérôme Lalande
Jérôme Lalande | |
|---|---|
Jérôme de La Lande by Jean-Honoré Fragonard, c. 1769 | |
| Born | 11 July 1732 |
| Died | 4 April 1807 (aged 74) |
| Nationality | French |
| Scientific career | |
| Fields | Astronomy |
| Institutions | Paris observatory |
| Doctoral advisor | Joseph-Nicolas Delisle Pierre Charles Le Monnier |
| Doctoral students | Jean Baptiste Joseph Delambre |
Joseph Jérôme Lefrançois de Lalande (French: [lalɑ̃d]; 11 July 1732 – 4 April 1807) was a French astronomer, freemason and writer. He is known for having estimated a precise value of the astronomical unit (the distance from the Earth to the Sun) using measurements of the transit of Venus in 1769.