The Lost Worlds of Planet Earth Ortelius hypothesized the idea that land masses may have been connected in the past, Alfred Wegener who hypothesized the idea of a super-continent Pangaea and continental drift despite the prevailing idea of flooded land-bridges at the time, and Bruce C. Heezen and Marie Tharp who discovered the Mid-Atlantic Ridge that supported the theory of plate tectonics. Tyson describes how the landmasses of the earth lay atop the mantle, which moves due to the motion and heat of the earth's outer and inner core. Tyson moves on to explain the asteroid impact that initiated the Cretaceous–Paleogene extinction event, leaving small mammals
The Songs of Distant Earth (album) Produced in 1994 it was an early example of Enhanced CD content. Oldfield used Emagic Logic Audio for sequencing and Pro Tools hardware for the recording of the album using a combination of tape and hard drive recording. The then Chairman of Warner, Rob Dickins, suggested to Oldfield that he should produce an album based on Clarke's novel, "The Songs of Distant Earth". The LP cover and CD booklet of the album contain a foreword by Arthur C. Clarke about the evolution of "The Songs of Distant Earth" from short story to novel. It ends with the following about the