English Meridiani Planum Cited by user Neko-chan on 14 Nov 2023 The Meridiani Planum (alternately Meridiani plain, Meridiani plains, Terra Meridiani, or Terra Meridiani plains) is either a large plain straddling the equator of Mars…
English Gamma Ray Spectrometer Cited by user Fotaun on 27 Apr 2011 Gamma Ray Spectrometer (GRS) is a gamma-ray spectrometer on the 2001 Mars Odyssey spacecraft, a space probe orbiting the planet Mars since 2001.