The lost Library of Alexandria, pyramids on Mars¹⁾For Sagan’s video discussion from 1980 on enigmatic landforms see Cosmos: A Personal Voyage, episode 5: “Blues for a Red Planet” at the 25-30 min mark, and pages 129-130 from the companion book Cosmos, by Carl Sagan, Random House, 1980 , alien life in the universe, astroengineering projects of immense scale, the sheer immensity of the “Cosmos” and the concept of multi-verses, were just some of the ideas from Cosmos that inspired and expanded my mind in the year 1980. Continue reading Tricks of Light and Shadow; The Secrets of Carl Sagan Part 2—“A Personal Voyage” →