2001: A Space Odyssey (film) company, and care was taken that the film would be sufficiently "British" to qualify for the Eady Levy, a UK tax on box-office receipts. The film received mixed reactions from critics and audiences upon its release, but garnered a cult following and became the highest-grossing North American film of 1968. It was nominated for four Academy Awards; Kubrick received one for his direction of visual effects. A sequel, "", directed by Peter Hyams, was released in 1984. "2001: A Space Odyssey" is widely regarded as one of the greatest and most influential films ever made. In 1991, it was deemed
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