The annular lunar sea in the eastern hemisphere of the moon
Mare Vapor isMoonThe ring of the Old WorldMoon Sea。
Chinese name
Steam sea
Foreign name
Mare Vaporum
Mare Vaporum
It is located in the southwest of Chenghai and the southeast of Yuhai.It has a diameter of 245 kilometers and an area of about 55000 square kilometers.It was named by Italian astronomer Giovanni Battista Riccioli in 1651.
