2001: A Space Odyssey (film) essay "Odyssey of Stanley Kubrick" wrote, "Kubrick has conceived a film which in one stroke has made the whole science fiction cinema obsolete." Others credit "2001" with opening up a market for films such as "Close Encounters of the Third Kind", "Alien", "Blade Runner", "Contact", and "Interstellar", proving that big-budget "serious" science-fiction films can be commercially successful, and establishing the "sci-fi blockbuster" as a Hollywood staple. Science magazine "Discover"s blogger Stephen Cass, discussing the film's considerable impact on subsequent science fiction, writes that "the balletic spacecraft scenes set to sweeping classical music, the tarantula-soft tones of HAL 9000, and the
2001: A Space Odyssey (novel) HAL denies him reentry and kills the hibernating crew members by turning off their life-support. In the sequel "2010: Odyssey Two," however, the recounting of the "Discovery One" mission is changed to the film version. The film is generally far more enigmatic about the reason for HAL's failure, while the novel spells out that HAL is caught up in an internal conflict because he is ordered to lie about the purpose of the mission. Because of what photographed well, the appearance of the monolith that guided Moon-watcher and the other 'man-apes' at the beginning of the story was changed from