The very young rimless crater near the bottom center of this Apollo 17 image is Brayley G, which is probably a collapse feature rather than an impact crater[1]
Brayley is a lunarimpact crater located in the southwest part of the Mare Imbrium. It was named after British geographer Edward W. Brayley in 1935.[2] It has a circular rim and a low rise in the center. There are no notable craters overlapping the rim or interior. The sinuous rilleRima Brayley passes to the north of Brayley.
Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews12 (2): 136–186. doi:10.1007/BF00171763. Bibcode: 1971SSRv...12..136M.