Stonehenge decoded

ancient angle archaeologists archways astronomical Aubrey circle Aubrey holes Avebury Avenue axis azimuth bank bluestone bluestone circle Britain British Britons builders building burial calculations Callanish called celestial century chalk cycle declination Diodorus ditch druids earth eclipse England equinox erected error excavated feet Fir Bolg full moon heel stone henge hole 56 horizon horseshoe Hyperboreans inches Inigo Jones intervals Ireland latitude legend lintels long barrows lunar machine marked Marlborough Downs megalithic ments Merlin metonic cycle midsummer sunrise Midwinter moonrise Midwinter moonset Midwinter sunset miles monument moon rises moonrise mound moved perhaps positions possible predict prehistoric priests probably rising and setting Roman Salisbury Plain sarsen circle sarsen stones seems shape significant Silbury Hill solstice station stones Stone Age Stonehenge Decoded structure sun and moon sun or moon sun-moon temple theory thought tion trilithon uprights winter Moon Woodhenge wrote