Astrophysique panorama 20212022 séance 3

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=4UE5DTB4cK8

UE libre, par Etienne Parizot / Université de Paris / L2 / Année 2021–2022 • Sommaire (séance du 22 septembre 2021) : • • C'est l'équinoxe !!! Explications… • • 3ème loi de Kepler : quantitative ! • • Détermination de la parallaxe de Mars (en opposition) • • Déduction de la distance Terre-Soleil • • Expérience de Cavendish : mesure de la densité de la Terre, donc de G et de la masse de la Terre ! • • Éclipse des satellites de Jupiter et mesure de la vitesse de la lumière ! (Rømer) • • Encore un peu de géométrie dans le système solaire : les transits de Vénus et la distance 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