org.jscience.earth
Classes 
AbstractAtmosphere
EarthSciencesConstants
EarthSciencesUtils
EarthSeaWater
EarthSolarRadiation
EarthStandardAtmosphere1962
EarthStandardAtmosphere1976
EarthSurfaceOrientation
EarthSurfacePosition
MarsAtmosphere
PlanetCellContents
SoilComposition