African Cultural Astronomy by Jarita Holbrook, R. Thebe Medupe, Johnson O. Urama

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

Astronomy is the technology of learning the sky utilizing telescopes and light-weight creditors corresponding to photographic plates or CCD detectors. although, humans have regularly studied the sky and proceed to review the sky with out assistance from tools this is often the area of cultural astronomy. this is often the 1st scholarly choice of articles involved in the cultural astronomy of Africans. It weaves jointly astronomy, anthropology, and Africa. the amount contains African myths and legends in regards to the sky, alignments to celestial our bodies discovered at archaeological websites and at locations of worship, rock paintings with celestial imagery, and clinical considering printed in neighborhood astronomy traditions together with ethnomathematics and the production of calendars. Authors contain astronomers Kim Malville, Johnson Urama, and Thebe Medupe; archaeologist Felix Chami, and geographer Michael Bonine, and lots of new authors. As an rising subfield of cultural astronomy, African cultural astronomy researchers are involved in education scholars particularly for doing examine in Africa. the 1st a part of the amount comprises classes and routines to assist the start scholar of African cultural astronomy. integrated are routines in archaeoastronomy, cultural anthropology, and naked-eye astronomy penned through authors who use those frequently use those equipment for his or her learn. This selection of classes and study papers offers a origin for the cultural astronomy researcher drawn to doing paintings in Africa.

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The arrow indicates east-west as established by the two places where the shadow crosses the circle drawn around the gnomon. The dot indicates the position of the gnomon Patterns of the gnomon shadow for mid-northern latitudes (Figure 8) and the equator (Figure 9a) are shown below. Note that at the equator, there is no shadow cast by the gnomon at solar noon on the day of equinox. Throughout the tropics, between the Tropic of Cancer and Tropic of Capricorn, there will be days when the sun is at the zenith and the gnomon will cast no shadow.

The building of every sacred shrine was a paradigmatic reiteration of the archetypal separation of heaven and earth” (Irwin 1991). Irwin (1981, 1983) has extensively discussed the symbolism of Asokan (and pre-Asokan) pillars with regard to pillar worship in India. The yupa, a sacrificial post, the lingam, the central pole of a tent used for dance, and the tree are other examples of sacred or ritual pillars. The stalk of the lotus bearing Brahma, the four-faced creator of the universe, is another cosmogonic pillar from which creation emanates.

A. Approximate Method: The easiest method to establish north-south is to erect a gnomon and place markers at the tip of the shadow over the course of the day and note where is it shortest. You will notice that the tip of the shadow is diffuse because of the penumbra of the shadow. 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.

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