heliocentric coordinates Sun-centered, as in the cosmological worldview expounded by Copernicus. A system of celestial coordinates that has its origin at the center of the Sun and takes the ecliptic as its plane of references. Heliocentric coordinates are used especially in calculations of the relative positions of the planets and other bodies of the Solar System. Related category SOLAR TOPICS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |