EntityQ3696643· pop 5· linked from 501 articlesHauptmannSign in to savecrater on MercuryConnectionsMercuryEntityInternational Astronomical UnionEntityCaloris PlanitiaEntityKalidasaEntityNASAConceptgeographic coordinate systemEntityasteroidEntityInternational Standard Book NumberEntityGerhart HauptmannEntitydigital object identifierEntityalbedoEntitybibcodeEntityMariner 10EntityMESSENGEREntityastronomical transitEntityUnited States Geological SurveyEntityspace colonizationEntityBepiColomboEntitytransit of MercuryEntityMercury's moonEntityCategoriesImpact craters on Mercury