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) The Songs of Distant Earth (album) The Songs of Distant Earth is the 16th album by Mike Oldfield, released in 1994 by Warner Music. It is based on Arthur C. Clarke's science fiction novel "The Songs of Distant Earth". The album was released as a CD and, shortly afterwards, as an Enhanced CD of which two versions were made. Both versions' initial pressings contained an image of a manta ray flying in front of a planet on the front cover. The cover image was changed to one of a suited man holding a glowing orb with manta rays flying overhead.