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Archaeoastronomy (also spelled Archeoastronomy) is, as the name implies, the combination of astronomical and archaeological studies. Specifically, it covers the intersection between the two. One aspect of this is the use of the historical record prior to the genesis of the modern astronomical discipline in order to study past astronomical events. It also may involve the use of astronomical knowledge and extrapolation to further our understanding of the historical record. The two disciplines interact constructively. Cultural anthropologists have contributed to the field of archaeoastronomy by studying the astronomy of more modern, historical cultures; this study is termed, ethnoastronomy.An example of the first sort of archaeoastronomy is the study of the extensive records of ancient China for references to "guest stars". "Guest stars," or star-like objects which appeared in the night sky, were of great interest to the observers of ancient China and were often dutifully recorded. These events have been associated with many transitory phenomena, such as comets and, particularly, supernovae.
An example of the second sort of archeoastronomy is the study of solar, lunar, and stellar alignments of historical monuments. Many claims have been made that the megalithic monument, Stonehenge, represents an "ancient observatory," although the extent of its use in that regard is in dispute. Certainly Stonehenge - and many other ancient monuments - is aligned with particular significance to the solstice and equinox points. Similar claims have been made that the Great Pyramids of Egypt are aligned with the stars in the belt of Orion, in reflection of the significance invested in that constellation by the ancient Egyptians.
During the 1960s, Alexander Thom did a thorough research on megalithic monuments in Britain, and published the results is Megalithic sites in Britain (Oxford, 1967). Apart from arguing for his theory of the megalithic yard, he also argues with statistical methods that a large part of the monuments in Britain are oriented in a way so they can be used as calendars. His theory proposes that the monuments mark points on the horizon where the sun, moon and principal stars rises at seasonal extremes like midsummer, midwinter and the equinoxes.
1 Some Old World sites where archaeoastronomy is being explored
- Stonehenge and other structures apparently aligned to astronomical bodies and/or events
- Newgrange
- Ballochroy
- Kintraw
- Minard, Brainport Bay , raising methodological issues
- Carnac, the Grand Menhir Brisé
- Sarmizegetusa Regia, Romania
2 Some New World sites where archaeoastronomy is being explored
- Chichen ItzaChichen Itza is the largest of the Pre-Columbian archaeological sites in Yucatan, Mexico. The city was built by the Maya civilization. The name The name is often represented as Chichen Itz in Spanish and other languages to show that both parts of the name, the caracol
- Monte Alban, zenith tube
- XochicalcoXochicalco is a Pre-Columbian archeological site in the western part of the Morelos, Mexico. The name "Xochicalco" means "House of the Flowers" in the Nahuatl language. The site is located 38 km southwest of Cuernavaca, about 76 miles by road from Mexico, zenith tube
- UxmalUxmal is a large Pre-Columbian ruined city of the Maya civilization in the state of Yucatan, Mexico. It is 78 km south of Merida (110 km from Merida on Highway 261 to Campeche), 15 km south-southeast of the town of Muna. Uxmal is pronounced "Oosh-mahl"., Venus allignment of the "Governor's Palace"
- TeotihuacanTeotihuacan is the largest Pre-Columbian archeological site in the Americas. Teotihuacan is located in the San Juan Teotihuacan municipality of the State of Mexico, Mexico, approximately 40 km (about 25 miles) northeast of the Mexico City, which covers a, the pecked-cross circles as survey-markers
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