A form of ionic propulsion in which the power for the ion engine is provided by solar cells.
noun 1. energy derived from the sun in the form of solar radiation. solar energy noun 1. energy obtained from solar power solar energy The radiant energy emitted by the Sun. Energy derived from the Sun’s radiation. Passive solar energy can be exploited through architectural design, as by positioning windows to allow sunlight to enter […]
noun, Astronomy. 1. flare (def 21). noun 1. a brief powerful eruption of particles and intense electromagnetic radiation from the sun’s surface, associated with sunspots and causing disturbances to radio communication on earth Sometimes shortened to flare See also solar wind solar flare A sudden eruption of hydrogen gas in the chromosphere of the Sun, […]
noun 1. a furnace using sunlight concentrated by concave mirrors as the direct source of heat. solar furnace noun 1. a furnace utilizing the sun as a heat source, sunlight being concentrated at the focus of a system of concave mirrors
verb (used with object) 1. to heat (a building) by means of solar energy.