Megalithic Lunar ObservatoriesClarendon Press, 1971 - 127 páginas This unique text discusses the mathematical principles behind Megalithic stone circles, and how these were used for observing lunar cycles in prehistoric times. The author, A. Thom, shows that stone circles were precisely planned and laid out in accordance with certain geometric figures in the classic Pythagorean tradition. Containing some mathematical and astronomical details, along with notes on site survey and location, this book is ideal for amateur enthusiasts and academicians of archaeology, astronomy, and mathematics. |
Contenido
List of main symbols | 8 |
The Work at the Observatories | 106 |
Conclusions | 112 |
List of Districts | 124 |
Términos y frases comunes
A₁ accuracy accurate alignment anomalistic months arc minutes assumed azimuth backsights Ballochroy Beinn Shiantaidh Bellanoch Hill cairn Caithness calculated calendar Callanish celestial sphere centre Chapter circle correction decl declination maximum Dirlot distance Draconic month e+i+A+s eclipse equator equinox error extrapolation length fallen menhir feet foresight found in Thom Fowlis Wester geometry given grid ground group Q horizon inset interval Jura Kintraw Kintyre Knapdale kt² large menhir length G limits Loch lower limb lunar observatories lunation M₁ major standstill maxima mean value measured Megalithic menhir meridian method Mid Clyth miles Moon setting Moon's orbit movement Mull node notch observations observer's obtained Ordnance Survey orientated oscillation parallax Peninver perigee perturbation radius S₁ sector seen semidiameter setting with declination shown in Fig shows slabs solstice stake positions stone rows Table temperature Temple Wood theodolite triangle upper limb y₁