(Landmarks August 17), September 23, 1877, the French mathematician, astronomer LeVier died. death of



LeVier "target =" _blank "> LeVier (Urbain Jean Joseph Le Verrier, 1811 -1877 years 9, 23), France mathematics home astronomers calculated the orbit of Neptune, according to their calculations, (the L $ dj��.����T) Berlin Observatory German astronomer Galle observed Neptune.
LeVier speculate because there teeth unknown gravitational pull of the planets, the orbital motion of Uranus to be disturbed, astronomy is the so-called "perturbation" influence he calculated the orbit of the planet, location, size, then please the Berlin Observatory Galle looking unknown planet Zheke. September 23, 1846, Galle LeVier prophecy, only took an hour, the place just off LeVier predicted position of less than 1 degree, found a new planet Later this new planet named Neptune. discovered Neptune year, 35-year-old LeVier.
Comments: The discovery of Neptune on September 23, 1846, after 31 years. September 23, LeVier died. (lssjt.cn)