2001: A Space Odyssey (comics) American comic book. The story is a close adaptation of the events of the film, but differs in the fact that Kirby incorporated additional dialog from two other sources: the Clarke/Kubrick novel and a copy of an earlier draft script of the film that included the more colloquial-sounding version of HAL 9000, as originally voiced by actor Martin Balsam before Douglas Rain took over. In addition, the comic narrative captions describe the characters' thoughts and feelings, a significantly different approach from that taken by the film. The treasury edition also contained a 10-page article entitled "2001: A Space Legacy" written
Gamma Ray Spectrometer (2001 Mars Odyssey) Gamma Ray Spectrometer (2001 Mars Odyssey) The Gamma Ray Spectrometer (GRS) is a gamma-ray spectrometer on the "2001 Mars Odyssey" spacecraft, a space probe orbiting the planet Mars since 2001. Part of NASA's Mars Surveyor 2001 program, it returns geological data about Mars's surface such as identifying elements and the location of water. It is maintained by the Lunar and Planetary Laboratory at the University of Arizona in the United States. This instrument has mapped the distribution surface hydrogen, thought to trace water in the surface layer of Martian soil. The Gamma Ray Spectrometer weighs and uses 32 watts of