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 Clarke. Oldfield included a CD-ROM multi-media interactive exploration animation software on some of the locations from the book, including the "Hibernaculum". The album has been re-released in a package with the original short story, the movie outline and the CD-ROM. The ending song and final chapter of "Muv-Luv Unlimited" are both named after "The Songs of Distant Earth", following the theme of every chapter having been named after a relevant or semi-relevant sci-fi story. "The Songs of Distant Earth" received a positive review from Gerald Jones in "The New York Times". Jones praised its scope and its exploration of philosophical