heliocentrisme expo

les arguments du modèle heliocentriste

la controverse géocentrisme/héliocentrisme

by Ivana, Melissa et Clara

sommaire

introduction

PARTIE I

PARTIE II

PARTIE III

CONCLUSION

INTRODUCTION

Entre XVIe siècle et XVIIIe siècle, deux frandes théories s'opposent.Géocentrisme par Ptolémé Héliocentrisme par Copernic Fin XVIIIe siècle : avancées scientifiques Comment a-t-on réussi à invalider le modèle géocentrique?

PARTIE I

LE GEOCENTRISME

Terre au centre de l'univers

Perspective SCIENTIQUE

Sections like this help you create order

Perspective PHILOSOPHIQUE

Ptolémée

Différents perspectives

Perspective RELIGIEUSE

PARTIE II

LES OBSERVATIONS DE COPERNIC

• 3 DECOUVERTES MAJEURES :
• si le soleil est au centre, alors la terre ne peut pas l'être à son tour
• si le soleil est au centre, alors TOUTES les planetes lui gravitent autour
• si le soleil est au centre, alors il ne bouge pas, et son mouvement perçu depuis la terre est du au mouvement de la terre

• Nicolas Copernic : astronome, physicien et mathmaticien polonais
• Défend la théorie de l'héliocentrisme
• Rédige un traité vers 1511 où il fait part de ses explications, observations, calculs
• Boulverse le géocentrisme en placant le soleil au centre du système solaire
• Rédige son seul ouvrage : Des révolutions des sphères célestes en 1543

PARTIE III

LES REVOLUTIONS SCIENTIFIQUES

• Galilée
• Observations astronomiques, expériences, phases de Vénus, taches solaires

CONCLUSION

C'est à l'aide de nouveaux instruments, formules mathématiques, astronomiques et évolutions techniques que les physiciens, astronomes du XVIIIe siècle ont invalidé le modèle géocentrique. Aujourd'hui encore, les techniques restent et nous permettent d'en apprendre plus chaque jour sur l'univers.

NOS SOURCES

passerelles.essetiels.bnf.fr

astronomes.com

studymaster.fr

MERCI!

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