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Hace 1 día · A French astronomer, Alexis Bouvard, thought that perhaps that was because we didn’t know about a planet further out in the solar system that exerted an influence on Uranus’s orbit.
Hace 2 días · director of the Paris Observatory Alexis Bouvard, to propose, among other hypotheses, the existence of a body farther away than Uranus whose perturbations on its orbit were responsible for them. Within this framework, John Couch Adams and Urbain Le Verrier reached, independently but using essentially the same perturbation
Hace 2 días · French astronomer Alexis Bouvard published observations of the motion of Uranus that seemed to violate Newton’s Laws. This meant that either Newton’s Law changed the further you moved from the sun or there was an unaccounted-for massive body in the solar system.
Hace 1 día · Unexpected changes in the orbit of Uranus led Alexis Bouvard to hypothesise that its orbit was subject to gravitational perturbation by an unknown planet. After Bouvard's death, the position of Neptune was predicted from his observations, independently, by John Couch Adams and Urbain Le Verrier .
Hace 2 días · Alexis Zimmer, MCF, Université de Strasbourg/SAGE UMR 7363. 527. Fabien Lesguer, Doctorant en archéologie, Université de Paris 1. ... Hugo Bouvard, MCF, Université Paris CIt ...
Hace 10 horas · Nous publions cet appel-pétition signés par plus de 1700 s étudiants, enseignants-chercheurs, chercheurs, personnels administratifs (ITA et Biatss) de toutes les universités et laborato...
Hace 1 día · A partir de ce lundi et jusqu’au 26 mai, environ 7.000 entreprises du secteur privé, marchand ou non-marchand, organisent des élections sociales qui concernent un total de près de 2 millions de tra…
