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…assert that these protruding and rugged lunar areas, distinguished by their brightness, can be most aptly likened to continents, thus warranting the designation of "imposed land." Conversely, the Moon's inclined regions, characterized by consistently darker spots found in mountainous terrains, can be similarly likened to our planet's oceans, seas,…
https://www.wichita.edu/academics/fairmount_las/geology/wparcell/Kircher/IterII/IterExI_Appendix.php