African Cultural Astronomy: Current Archaeoastronomy and by Jarita Holbrook, R. Thebe Medupe, Johnson O. Urama

By Jarita Holbrook, R. Thebe Medupe, Johnson O. Urama

This is often the 1st scholarly number of articles inquisitive about the cultural astronomy of the African continent. It weaves jointly astronomy, anthropology, and Africa and it comprises African myths and legends in regards to the sky, alignments to celestial our bodies stumbled on at archaeological websites and at locations of worship, rock artwork with celestial imagery, and medical considering printed in neighborhood astronomy traditions together with ethnomathematics and the production of calendars.

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Extra resources for African Cultural Astronomy: Current Archaeoastronomy and Ethnoastronomy research in Africa (Astrophysics and Space Science Proceedings)

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Try to be consistent in marking the center of the shadow. An approximate north-south line can be drawn between the gnomon and the place where the shadow is shortest. Because the speed of the earth in its orbit varies throughout the year, solar noon differs from 12:00 standard time by up to 16 minutes. That difference is known as the equation of time. Because it is difficult to establish the time when the shadow is shortest, this method is not as accurate as the next one described below. But, you can use the length of that line to determine the altitude of the sun at noon (Figure 5).

2 Diagram of Nabta calendar circle The History of the Gnomon The incorporation of gnomons in sun dials extends at least to the 6th century BCE. Anaximander of Miletus is believed to have introduced sundials to Greece during the 6th century BCE. The Greeks had many public sundials consisting of tall columns casting shadows onto the ground, and many citizens had their own sundials. ” About 340BCE Berosus, a Chaldean astronomer-priest living in Egypt during the time of Alexander the Great, developed the hemisphericum, in which a vertical post was placed centrally inside a hollowed out hemisphere.

You have to report it the way the people say they do it, rather than have your own cultural influences impinge on your study. 24 B. Chukwuezi Selection of Ethnographic Informants According to Blum et al. (1997) who developed Ethnographic Protocol of Food Assessment for the International Union of Nutritional Sciences, the selection of informants is the most important aspect of ethnographic research. In addition, notable Anthropologists such as Mead (1955) and Johnson (1990) have argued that selection of informants form the major base of ethnographic study.

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