The Moon. Zoom-in view of the Moon and lunar craters, seen through a telescope. Various dark seas or maria can be seen, as well as the two bright rayed craters Tycho (near the bottom) and Copernicus (north of Tycho). The main seas are the Oceanus Procellarum (Ocean of Storms, far left), Mare Imbrium (Sea of Rains, top centre), Mare Crisium (Sea of Crises, far upper right), Mare Tranquillitatis (Sea of Tranquility, lower left of Crisium), Mare Serenitatis (Sea of Serenity, above Tranquillitatis) and Mare Fecundatis (Sea of Fecundity, beneath and right of Tranquillitatis).