Earth Planet Space Attack And Defense -- See Space warfare Here are entered works on interplanetary warfare, attacks on earth from outer space, and warfare among the nations of earth in outer space. Works on the military applications of space sciences are entered under Astronautics, Military.
Earth Radiation -- See Terrestrial radiation Here are entered works on the total infrared radiation emitted from the earth's surface. Works on the infrared radiation emitted by or propagated through the atmosphere are entered under Atmospheric radiation.
Earth Satellites -- See Artificial satellites Here are entered works on artificial satellites in general and on the satellites orbiting around Earth. Works on artificial satellites of other celestial bodies are entered under Artificial satellites subdivided by the name of the body, e.g. Artificial satellites--Sun.This heading may be subdivided geographically only by names of celestial bodies. --names of individual artificial satellites