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The background map and the locator map are raster images embedded into the SVG file. The term Great Rift Valley is most often used to refer to the valley of the East African Rift , the divergent plate boundary which extends from the Afar Triple Junction southward through eastern Africa , and is in the process of splitting the African Plate into ...
The history of fluid mechanics is a fundamental strand of the history of physics and engineering. The study of the movement of fluids (liquids and gases) and the forces that act upon them dates back to pre-history. The field has undergone a continuous evolution, driven by human dependence on water, meteorological conditions and internal ...
Geography of Africa. Africa is a continent comprising 63 political territories, representing the largest of the great southward projections from the main mass of Earth 's surface. [ 1] Within its regular outline, it comprises an area of 30,368,609 km 2 (11,725,385 sq mi), excluding adjacent islands. Its highest mountain is Kilimanjaro; its ...
A map of East Africa showing some of the historically active volcanoes (as red triangles) and the Afar Triangle (shaded at the center), which is a so-called triple junction (or triple point) where three plates are pulling away from one another: the Arabian Plate and two parts of the African Plate—the Nubian and Somali—splitting along the East African Rift Zone Main rift faults, plates ...
Earliest European maps. The earliest cartographic depictions of Africa are found in early world maps . In classical antiquity, Africa (also Libya) was assumed to cover the quarter of the globe south of the Mediterranean, an arrangement that was adhered to in medieval T and O maps . The only part of Africa well known in antiquity was the coast ...
Map of Africa by John Thomson, 1813. Much of the continent is simply labeled "unknown parts". Much of the continent is simply labeled "unknown parts". The map still includes Ptolemy 's Mountains of the Moon , which have since been credited to ranges varying from the Rwenzori to Kilimanjaro to the peaks of Ethiopia at the head of the Blue Nile .
Africa Action Africa Action is the oldest organization in the United States working on African affairs. It is a national organization that works for political, economic and social justice in Africa. Working class history in Africa —people's and grassroots histories. Wikisource has the text of the 1911 Encyclopædia Britannica article "Africa".
Trans-Saharan trade is trade between sub-Saharan Africa and North Africa that requires travel across the Sahara. Though this trade began in prehistoric times, the peak of trade extended from the 8th century until the early 17th century CE. The Sahara once had a different climate and environment. In Libya and Algeria, from at least 7000 BCE ...