2001: A Space Odyssey had been with Kubrick's film, although he did appear in a cameo role in the finished film, sitting on a park bench feeding birds outside the White House. 2001: A Space Odyssey 2001: A Space Odyssey is the 1968 science fiction written by Arthur C. Clarke and the directed by Stanley Kubrick. It is a part of Clarke's "Space Odyssey" series. Both the novel and the film are partially based on Clarke's 1948 short story "The Sentinel", an entry in a BBC short story competition, and "Encounter in the Dawn", published in 1953 in the magazine "Amazing Stories". After deciding
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