ocr: - J n a PERSPECTIVES AND PROJECTS Carl Sagan expressed the same feelings in 1978. MARS DEIOS ONE PROJECT PROJECTI a "Iti is dangerous that all humanity's energy is turned in on our planet. It is important that we have an outlet in space beyond. Ibelieve the human spirit needs such adventures. On Earth, there are no longer any horizons to cross. Ithink everything about the present time makes us dream of Christopher Columbus. If it were possible for me to embark for space tomorrow, wouldn't miss the trip for anything in the world." In an article published in 1979, economists Herman Kahn and John ...
