Méchain, Pierre François Andé

Born Aug. 16, 1744, in Laon; died Sept. 20, 1804, in Castellon de la Plana, Spain. French astronomer and geodesist. Member of the Paris Academy of Sciences (1782).

In 1787, Méchain participated in calculating the difference between the longitudes of Paris and Greenwich. Together with J. Delambre, he carried out studies between 1792 and 1797 to measure the meridian arc between Dunkirk and Barcelona, which were undertaken to establish a new measure of length, the meter. Méchain also discovered 12 comets, including the periodic comet now called Encke’s comet.

单词	méchain, pierre françois andé
释义	Méchain, Pierre François Andé Méchain, Pierre François Andé Born Aug. 16, 1744, in Laon; died Sept. 20, 1804, in Castellon de la Plana, Spain. French astronomer and geodesist. Member of the Paris Academy of Sciences (1782). In 1787, Méchain participated in calculating the difference between the longitudes of Paris and Greenwich. Together with J. Delambre, he carried out studies between 1792 and 1797 to measure the meridian arc between Dunkirk and Barcelona, which were undertaken to establish a new measure of length, the meter. Méchain also discovered 12 comets, including the periodic comet now called Encke’s comet.
随便看	old man emu oldman, gary old man intake old man international sideband society old man in the mountain old man jenkins old man johnson old man lunch brigade old man mike old man mountain old man murray old man of the mountain oldman of the mountain old man of the mountains old-man-of-the-woods old man on campus old man on the mountain old man out oldman river basin water quality initiative oldman river canoe and kayak association oldman river intermunicipal service agency old man's aircraft company old man's beard old mans beard old-man's-beard