Before revision: An analysis of space advocacy in Dark Skies: Space Expansionism, Planetary Geopolitics, and the Ends of Humanity by Daniel Deudney has identified two different paradigms: the Braun-Tsiolkovsky paradigm (VTP), referring to Wernher von Braun and Konstantin Tsiolkovsky, and the Clarke-Sagan paradigm (CSP), referring to Arthur C. Clarke and Carl Sagan.Those two are identified differing in focus: the VTP focusing on migration and militarization of space, and CSP focusing on space exploration.
After revision: An analysis of space advocacy in Dark Skies: Space Expansionism, Planetary Geopolitics, and the Ends of Humanity by Daniel Deudney has identified two different paradigms: the Braun-Tsiolkovsky paradigm (VTP), referring to Wernher von Braun and Konstantin Tsiolkovsky, and the Clarke-Sagan paradigm (the Clarke-Sagan paradigm (CSP),), referring to Arthur C. Clarke and Carl Sagan.Those two are identified differing in focus: the VTP focusing on migration and militarization of space, and CSP focusing on space exploration.