Planet “Earth”: We Should Have Called It “Sea”

Arthur C. Clarke? Carleton Ray? Ann Henderson-Sellers? James E. Lovelock? Anonymous? Dear Quote Investigator: The water covering our planet makes it look like a blue marble in pictures taken from outer space. Roughly three-quarters of the surface is enveloped in H₂O in liquid or frozen form. The science fiction luminary Arthur C. Clarke suggested that …