The Moon: A Popular Treatise

Apennines appears Aristarchus astronomers atmosphere attraction border bright brilliant Bullialdus central peak Clavius companion conspicuous Copernicus crater pits crater ring crescent Cyrillus dark diagram disk distance earth east eastern eastward eclipse edge face fact farther formations Full Moon globe graph half illuminated imagination inhabitants interesting interior lava libration light look lunar volcanoes lunar world Mare Crisium Mare Frigoris Mare Humorum Mare Imbrium Mare Nectaris Mare Nubium Mare Serenitatis Mare Tranquillitatis Mare Vaporum Maurolycus miles in diameter Moon Maiden MOON'S AGE moun named night object observe ocean Oceanus Procellarum once orbit oval perceive phase photograph picture present rays remarkable replied Riccioli ring mountain ring plains rising seen shadow shore small craters strait sunlight surface tains telescope tell terminator Theophilus things tides tion Tycho valley visible volcanoes walled plain western side western wall Yerkes Observatory