Explore Mars In DepthScienceMarsGamma Ray MapMars HomeFactsMars ExplorationOverviewRover BasicsMars Exploration Science GoalsMission Timeline SummaryMars MissionsMars Sample ReturnMars Perseverance RoverMars Curiosity RoverMAVENMars Reconnaissance OrbiterMars OdysseyMars Relay NetworkMore Mars MissionsMultimediaImagesVideoAudioMore ResourcesNews & FeaturesLatest Mars ArticlesThe Mars ReportNewsletter HomeMoreThe Solar System Gamma Ray MapAugust 24, 2004 This map is based on gamma rays from the element potassium, which is about twice as abundant on Mars as it is on Earth. Downloads Original (720×540) Mar 11, 2024 JPEG (77.60 KB)