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
Atlantis, the Lost Continent Atlantis, the Lost Continent Atlantis, the Lost Continent is a 1961 American science fiction film in Metrocolor from Metro-Goldwyn-Mayer, produced and directed by George Pal, that stars Sal Ponti (under the screen name of Anthony Hall), Joyce Taylor, and John Dall. The storyline concerns the events leading up to the total destruction of the fictional continent of Atlantis during the time of Ancient Greece. A Greek fisherman named Demetrios and his father rescue Princess Antillia from a shipwreck without knowing that she is from the technologically advanced civilization of Atlantis. After rescuing the princess, Demetrios must travel beyond the Pillars