By Jarita Holbrook, R. Thebe Medupe, Johnson O. Urama
Astronomy is the technological know-how of learning the sky utilizing telescopes and lightweight creditors similar to photographic plates or CCD detectors. even though, humans have constantly studied the sky and proceed to check the sky with out the help of tools this is often the area of cultural astronomy. this is often the 1st scholarly choice of articles all in favour of the cultural astronomy of Africans. It weaves jointly astronomy, anthropology, and Africa. the quantity comprises African myths and legends in regards to the sky, alignments to celestial our bodies chanced on at archaeological websites and at areas of worship, rock paintings with celestial imagery, and clinical pondering published in neighborhood astronomy traditions together with ethnomathematics and the construction of calendars. Authors comprise astronomers Kim Malville, Johnson Urama, and Thebe Medupe; archaeologist Felix Chami, and geographer Michael Bonine, and plenty of new authors. As an rising subfield of cultural astronomy, African cultural astronomy researchers are considering education scholars in particular for doing examine in Africa. the 1st a part of the quantity comprises classes and workouts to assist the start pupil of African cultural astronomy. integrated are routines in archaeoastronomy, cultural anthropology, and naked-eye astronomy penned through authors who use those frequently use those tools for his or her examine. This number of classes and learn papers offers a starting place for the cultural astronomy researcher drawn to doing paintings in Africa.
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Astronomy is the technology of learning the sky utilizing telescopes and light-weight creditors reminiscent of photographic plates or CCD detectors. even though, humans have consistently studied the sky and proceed to review the sky with no the help of tools this can be the area of cultural astronomy. this can be the 1st scholarly choice of articles thinking about the cultural astronomy of Africans.
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Extra resources for African Cultural Astronomy
415–425, Steiner Verlag, Stuttgart, 1993. Malville, J. McKim, Fred Wendorf, Ali Mazar, and Romauld Schild “Megaliths and Neolithic Astronomy in Southern Egypt”. Nature, 392, 488–491, 1998. Yano, M. ” Indo-Iranian Journal, 29:17–21, 1986. Naked-eye Astronomy for Cultural Astronomers J. C. Holbrook and Audra Baleisis Abstract Cultural astronomy is an interdisciplinary field that attracts students from a variety of backgrounds. Many students have a background in astronomy, but even in astronomy departments students are not taught some of the most basic elements of the night sky needed for cultural astronomy research.
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).
Or, they could have used shadow casting by a gnomon, as we shall demonstrate in this experiment. The Astronomical Gnomon 41 Fig. 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.