noun
solar radiation pressure; light pressure from the sun
Technical term in astronomy and space engineering; refers to the pressure exerted by sunlight on objects. Compare with 光圧 (light pressure in general).
See also: 光圧
太陽光圧は、宇宙機の軌道に影響を与える。
Solar radiation pressure affects the trajectory of spacecraft.
光圧 is a broader term for light pressure from any source, while 太陽光圧 specifically refers to pressure from sunlight.
Compound of 太陽 (sun) + 光 (light) + 圧 (pressure). A straightforward technical term.