2001: A Space Odyssey 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 on Clarke's 1948 short story "The Sentinel" as the starting point, and with the themes of man's relationship with the universe in mind, Clarke sold Kubrick five more
Gamma Ray Spectrometer (2001 Mars Odyssey) power. Along with its cooler, it measures . The detector is a photodiode made of a germanium crystal, reverse biased to about 3 kilovolts, mounted at the end of a boom to minimize interferences from the gamma radiation produced by the spacecraft itself. Its spatial resolution is about . The neutron spectrometer is . The high-energy neutron detector measures . The instrument's central electronics box is . 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