BULLIALDUS (Stephane Neveu)

BULLIALDUS

L'image est centrée sur le cratère Bullialdus. D'un diamètre de 61 km, ses remparts de 3500 m entourent un pic central composé de plusieurs sommets.

Directement au sud , Bullialdus A (26km) et B (21km) sont remarquables par leur relief contrasté.

Juste au nord de Bullialdus, le cratère LUBINIEZKY (45 km) dessine un cercle presque parfait, toutefois ses remparts bien plus bas ne font que 770 m d'altitude, son fond très plat a probablement été empli par les coulées de lave , l'ensemble présente donc un relief très estompé.

Les cratères A, E font respectivement 30 et 37 km de diamètre. Le cratère H, noté ici ne fait que 4km de diamètre et illustre les plus petits détails visibles sur l'image.

En se dirigeant vers l'ouest , les cratères Opelt (50km) , Gould N (17km) et Gould (35 km) sont encore plus remarquables par leur aspect "fantôme".

La lave environnante a ici largement "noyé" le relief de ces grands cratères à tel point que leurs murailles s'élèvent peu au dessus de la plaine. L'intérieur des cratères se confond avec le niveau de la plaine environnante.

Vers le sud, le cratère KIES, diamètre 45 km, est lui aussi très estompé.

Vers l'est , AGATHARCHIDES présente un diamètre de 50 km, cratères A 16 km et N 22 km.

Le cratère n'est plus régulier il a été largement perturbé par l'activité géologique des alentours, sa muraille nord est par exemple détruite.

Rimae Hippalus est un système de failles long de 240 km et large de 4.

Orientée nord sud, il traverse entièrement le système de cratères Hippalus.

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