Pronunciation guide to surface features on the Moon
Aestuum ice-TOO-um
Australe oss-TRAY-lee
Crisium KRY-see-um
Fecunditatis feh-KUN-di-TAH-tis
Frigoris fri-JOR-is
Humorum HEW-mohr-um
Imbrium IM-bree-um
Iridum EAR-ih-dum
Mare MAH-ray
Medii MED-ee-yee
Mortis MOHR-tis
Nebularum neb-you-LAHR-um
Nectaris nek-TAHR-is
Nubium NEW-bee-um
Oceanus oh-she-AH-nus
Palus PAL-us
Procellarum pro-sell-LAHR-um
Putridinus pew-trih-DEEN-us
Roris ROAR-is
Serenitatis seh-REN-ih-TAH-tis
Sinus SIGN-us
Smythii SMITH-ee-yee
Somnii SOM-nee-yee
Somniorum som-nee-YOR-um
Spumans SPOO-manz
Tranquillitatis tran-KWIL-ih-TAH-tis
Undarum un-DAR-um
Vaporum vay-PORE-um