Earth was an imperfect sphere. (TV: The Blood Line) Nestene energy units were hollow spheres. (TV: Spearhead from Space) Torchwood London referred to the Void Ship as "the sphere". (TV: Army of Ghosts) The Toclafane appeared as human heads encased in metal spheres. (TV: The Sound of Drums/Last of the Time Lords) Behind the scenesEdit A sphere is the set of all points equidistant from one particular point in three dimensional space. Retrieved from "https://tardis.fandom.com/wiki/Sphere?oldid=2911186" Categories: Geometry from the real world + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.