Linea

Linea (/ˈlɪniə/) is Latin for 'line'. In planetary geology it is used to refer to any long markings, dark or bright, on a planet or moon's surface. The planet Venus and Jupiter's moon Europa have numerous lineae; Pluto and Saturn's moon Rhea has several. Linea (/ˈlɪniə/) is Latin for 'line'. In planetary geology it is used to refer to any long markings, dark or bright, on a planet or moon's surface. The planet Venus and Jupiter's moon Europa have numerous lineae; Pluto and Saturn's moon Rhea has several.