EntityQ1619931· pop 13· linked from 5 articlesHippalusSign in to savelunar craterConnectionsNASAConceptgeographic coordinate systemEntityInternational Standard Book NumberEntitydiameterEntitylavaEntitydigital object identifierEntityInternational Astronomical UnionEntityimpact craterEntitybibcodeEntityeponymEntitylunar mareEntityCambridge University PressEntityPatrick MooreEntityQ22908627Entitylunar craterEntityLunar Orbiter 4EntityMare HumorumEntityselenographic coordinatesEntityCampanusEntityrilleEntityCategoriesImpact craters on the MoonLQ19 quadrangle