The local time when the sun is closest to its zenith

An array of connected solar cells

plural of solar wind

plural of solar nebula

(astronomy) A disc-shaped cloud of gas and dust left over from the formation of the Sun.

(astronomy) The point to which the Sun appears to be moving with respect to the local stars

(astronautics) A sail-like structure on a spacecraft consisting of enormous ultrathin mirrors, propulsion being achieved by the radiation pressure of light from a star or laser.

plural of solar cell

plural of solar panel

Any system designed to collect solar radiation for producing thermal energy, which may be used for space heating or for electricity generation.