Space Odyssey File") and also made a non-speaking cameo appearance in the film. Kubrick had no involvement in the "2010" novel or film, or any of the later projects. The "Space Odyssey" series combines several science-fiction narrative conventions with a metaphysical tone. Since the stories and settings in the books and films all diverge, Clarke suggested that the "continuity" of the series represents happenings in a set of parallel universes. One notable example is that in the "2001" novel, the voyage was to the planet Saturn. During production of the film, it was decided that the special effects for Saturn's rings would
2001: A Space Odyssey (novel) and Bowman are directed to disconnect Hal for analysis. These instructions are interrupted as the signal is broken, and Hal informs them that the AE-35 unit has malfunctioned. As Poole is removing the unit he is killed when his pod accelerates into him, crushing him. Bowman, uncertain of Hal's role therein, decides to wake the other three astronauts, and therefore quarrels with Hal, with Hal refusing to obey his orders. Bowman threatens to disconnect him if his orders are not obeyed, and Hal relents. As Bowman begins to awaken his colleagues, he hears Hal open both airlocks into space, releasing