apparent horizon Definition

horizon, skyline, sensible horizon, visible horizon, arc, altitude, level, aec, src, sunrise, sunset, appearance, det, linear perspective, rise, set, sets, sink, ascendant, arise, sky, augmentation, nowhere, air, allegory, amblyopia, anatomy, anomaly, appear, appearing, artifice, aspect, blind, blinds, blip, breathe, camera lucida, clairvoyance, cleared, cloud, clouded, cold, color, conspicuous, contrast, contrasted, contrasting, creep, creeps, crescent, degree, develop, discernible, display, distinct, earn, ecliptic, egress, emergence, esp, evident, exhibit, expose, face, fines, force, forces, foreshorten, freak, gemination, ghost, ghosting, gleam, gleaming, greet, hallucination, heir, hidden, inconspicuous, inner, interval, irradiation, joker, libration, lunar, magnitude, manifest, mark, naked, open, outward, overt, parallax, patch, phase, plain, radiant, rap, rapping, revolution,