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	anotolia anotophysi anotron anotropia anotta anough anouilh anouilh jean anouilh, jean an ounce of common sense is worth a pound of theory an ounce of discretion is worth a pound of wit an ounce of prevention an ounce of prevention is worth a pound of cure anoura anourous an outie an outside chance an outstanding young person an outsy an outtie an outy anova anovaginal anovarism anova-simultaneous component analysis