By Jarita Holbrook, R. Thebe Medupe, Johnson O. Urama
Astronomy is the technological know-how of learning the sky utilizing telescopes and lightweight creditors akin to photographic plates or CCD detectors. despite the fact that, humans have constantly studied the sky and proceed to check the sky with out assistance from tools this is often the area of cultural astronomy. this is often the 1st scholarly selection of articles excited by 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 came upon at archaeological websites and at locations of worship, rock paintings with celestial imagery, and medical pondering published in neighborhood astronomy traditions together with ethnomathematics and the production of calendars. Authors comprise 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 taken with education scholars particularly for doing learn in Africa. the 1st a part of the quantity includes classes and routines to aid the start pupil of African cultural astronomy. incorporated are routines in archaeoastronomy, cultural anthropology, and naked-eye astronomy penned via authors who use those on a regular basis use those equipment for his or her learn. This number of classes and learn papers presents a starting place for the cultural astronomy researcher drawn to doing paintings in Africa.
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Extra info for African Cultural Astronomy
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 shadow pattern is unique at the equator, on the Tropics of Cancer and Capricorn, on the Antarctic and Arctic circles, as well as at the poles. With their symmetries, these patterns have great aesthetic appeal. It is not unreasonable to imagine that some formed the inspiration for the designs of rock art, ceramic decorations, and weaving patterns in the ancient world.
Compare with Magnetic Compass: Measure the difference between true north established with north determined by a magnetic compass and your measurement of north. The difference is the magnetic declination. jsp 3. GPS Measurements: Because the uncertainty of positions by a Global Positioning System Unite (GPS) is typically plus/minus 5 meters, you will need a long base line to establish the line precisely. With your GPS measure latitude 46 J. M. Malville Fig. 9a Gnomon shadows at the equator Fig. 9b Asymmetry of shadow patterns: difference in minutes of arc between morning and evening due to the changing declination of the sun over a four hour period The Astronomical Gnomon 47 and longitude of the gnomon.
It is part of secondary data collection. It could reinforce what is already gathered in the field during investigation. It could also serve as a basis for further investigation and better data analysis on the research topic. At times the documents are readily provided for researchers and at times the classified documents are not easily accessible. Public documents could be in the form of published books, magazines and journals, newspapers and at times statistical reports – annual and census records.