Richard Heidmann, fondateur de l’association Planète Mars a été interviewé par le Figaro sur le projet d’atterrissage d’une capsule Dragon sur Mars en 2018. Voir ici. La capsule Dragon, dans sa version destinée à desservir l’ISS, atterrit en mode rétro fusée. Les essais ont déjà eu lieu. C’est ce mode qui sera utilisé pour la version qui doit se poser sur Mars, mais des réservoirs supplémentaires auront alors été installés à l’intérieur, le besoin de freinage étant nettement plus important. La charge utile disponible sur Mars lors d’une telle mission serait d’environ 2 t à comparer aux 980 kg de Curiosity, mais la masse totale posée en douceur serait d’environ 6 t. Essai des moteurs Super Draco de la capsule Dragon (doc. SpaceX) Pour faire atterrir les lourds modules (habitat, véhicule de retour sur Terre, etc) de 20 à 30 tonnes dont auront besoin les missions humaines, avec les méthodes utilisées actuellement pour déposer des sondes sur Mars il faut [...]
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