Roofbox
In Archaeology a Roofbox is a term for a specially contrived opening above a doorway, that is constructed in such way that at particular times of the year e.g. the Winter or Summer Solstices, the Sun would be directly in view from the chamber or passage within. The term was coined by Professor Michael O’Kelly during his excavation of the Newgrange passage cairn, at Brú Na Bóinne, Ireland. The roofbox was built directly above the entrance door to the passage. The passage and chamber were specifically aligned with the rising sun of the mornings around the winter solstice in December. The 17 metre passage rises in elevation as it leads to the chamber. The chamber floor, the roofbox and the local horizon are on a single plane and so as the sun's morning rays penetrate the roofbox, they illuminate the chamber floor for a maximum of 17 minutes (weather depending). A roofbox is also found in Cairn G of the Carrowkeel Megalithic Cemetery Carrowkeel is a cluster of passage tom ...
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Roofbox Above Entrance
In Archaeology a Roofbox is a term for a specially contrived opening above a doorway, that is constructed in such way that at particular times of the year e.g. the Winter or Summer Solstices, the Sun would be directly in view from the chamber or passage within. The term was coined by Professor Michael O’Kelly during his excavation of the Newgrange passage cairn, at Brú Na Bóinne, Ireland. The roofbox was built directly above the entrance door to the passage. The passage and chamber were specifically aligned with the rising sun of the mornings around the winter solstice in December. The 17 metre passage rises in elevation as it leads to the chamber. The chamber floor, the roofbox and the local horizon are on a single plane and so as the sun's morning rays penetrate the roofbox, they illuminate the chamber floor for a maximum of 17 minutes (weather depending). A roofbox is also found in Cairn G of the Carrowkeel Megalithic Cemetery Carrowkeel is a cluster of passage tom ...
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Newgrange
Newgrange ( ga, Sí an Bhrú) is a prehistoric monument in County Meath in Ireland, located on a rise overlooking the River Boyne, west of Drogheda. It is an exceptionally grand passage tomb built during the Neolithic Period, around 3200 BC, making it older than Stonehenge and the Egyptian pyramids. It is aligned on the winter solstice sunrise. Newgrange is the main monument in the Brú na Bóinne complex, a World Heritage Site that also includes the passage tombs of Knowth and Dowth, as well as other henges, burial mounds and standing stones. Newgrange consists of a large circular mound with an inner stone passageway and cruciform chamber. Burnt and unburnt human bones, and possible grave goods or votive offerings, were found in this chamber. The mound has a retaining wall at the front, made mostly of white quartz cobblestones, and it is ringed by engraved kerbstones. Many of the larger stones of Newgrange are covered in megalithic art. The mound is also ringed by a stone c ...
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Archaeology
Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. It is usually considered an independent academic discipline, but may also be classified as part of anthropology (in North America – the four-field approach), history or geography. Archaeologists study human prehistory and history, from the development of the first stone tools at Lomekwi in East Africa 3.3 million years ago up until recent decades. Archaeology is distinct from palaeontology, which is the study of fossil remains. Archaeology is particularly important for learning about prehistoric societies, for which, by definition, there are no written records. Prehistory includes over 99% of the human past, from the Paleolithic until the adven ...
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Solstice
A solstice is an event that occurs when the Sun appears to reach its most northerly or southerly excursion relative to the celestial equator on the celestial sphere. Two solstices occur annually, around June 21 and December 21. In many countries, the seasons of the year are determined by the solstices and the equinoxes. The term ''solstice'' can also be used in a broader sense, as the day when this occurs. The day of a solstice in either hemisphere has either the most sunlight of the year ( summer solstice) or the least sunlight of the year (winter solstice) for any place other than the Equator. Alternative terms, with no ambiguity as to which hemisphere is the context, are " June solstice" and " December solstice", referring to the months in which they take place every year. The word ''solstice'' is derived from the Latin ''sol'' ("sun") and ''sistere'' ("to stand still"), because at the solstices, the Sun's declination appears to "stand still"; that is, the seasonal move ...
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Brú Na Bóinne
(; 'Palace of the Boyne' or more properly 'Valley of the Boyne') or Boyne valley tombs, is an area in County Meath, Ireland, located in a bend of the River Boyne. It contains one of the world's most important prehistoric landscapes dating from the Neolithic period, including the large Megalithic passage graves of Knowth, Newgrange and Dowth as well as some 90 additional monuments. The archaeological culture associated with these sites is called the "Boyne culture". Since 1993, the site has been a World Heritage Site designated by UNESCO, known since 2013 as "Brú na Bóinne - Archaeological Ensemble of the Bend of the Boyne". Location The area is located eight kilometers west of Drogheda in County Meath, Ireland, in a bend of the River Boyne. It is around 40 kilometers north of Dublin. Brú na Bóinne is surrounded on its southern, western and eastern sides by the Boyne; additionally, a small tributary of the Boyne, the River Mattock, runs along the northern edge, almost comp ...
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Carrowkeel Megalithic Cemetery
Carrowkeel is a cluster of passage tombs in south County Sligo, Ireland. They were built in the 4th millennium BC, during the Neolithic era. The monuments are on the Bricklieve Hills (''An Bricshliabh'', 'the speckled hills'), overlooking Lough Arrow, and are sometimes called the Bricklieve tombs. They are named after the townland of Carrowkeel in which most of them are located. Nearby are the Caves of Kesh and Heapstown Cairn. The Carrowkeel tombs are protected National Monuments and are considered one of the "big four" passage tomb cemeteries in Ireland, along with Carrowmore, Brú na Bóinne and Loughcrew. History and research The monuments at Carrowkeel were originally excavated in 1911 by a team led by R.A.S. Macalister, accompanied by Robert Lloyd Praeger and Edmund Clarence Richard Armstrong. These excavations led to an array of findings including animal bones, cremated human remains, human bones, and tools and pottery from the Neolithic Age. The particular type of cr ...
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Carrowkeel Cairn G
Carrowkeel may refer to the following places in Ireland: * Carrowkeel, County Galway, townland * Carrowkeel Megalithic Cemetery, County Sligo * Kerrykeel Kerrykeel (; historically and in census returns Carrowkeel) is a small village in County Donegal, Ireland. It lies between Knockalla Mountain and Ranny Hill and is on the shores of Mulroy Bay. Kerrykeel is accessible via the R245 and R247 roads ...