Technology Through Time: Ancient Astronomical Alignments

Cradle of Civilization

„The sun casts a shadow.“ No one knows when this revelation occurred to ancient humans, but it is clear from carvings on animal bones from 30,000 ago that some awareness of the sun and moon were thought to be important enough to encode for convenient reference by Shamans.

By Dr. Sten Odenwald (Catholic University of America)

The fact that the shadow of an object changes its position on the ground in a regular way is also one of those key astronomical facts that also seems older than the written historical record. The oldest ’shadow stick‘ called a gnomen was built as part of a sundial by ancient Egyptians about 1000 BC. Temple and monument architecture also shows that many civilizations knew how to use the changing solar shadow as a local clock to measure the daily passage of time.

Once you have a sense that the position of the sun’s…

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Astronomical alignments

Edzna, The House where Time is settled

The site of Edzna is arguably most famous for its astronomical compositions. Even though the Mayans hadn’t known yet that the earth is round with a coordinate grid-system, they were highly advanced in astronomical knowledge and used the sun and the moon to mark specific changes in time.

One of these changes in time was New Year’s Day, which is July 26 in the Mayan Calendar.

New Year’s Day was marked with the southward passage of the zenithal sun over Edzná each July 26. While the Mayan calendar is measured at a line that is 14.8 degrees northern latitude,  Edzna stands at 19.5 degrees, not far off the line. 

The zenithal sun is when the sun is directly over the earth at noon, and there are no shadows of vertical structures (such as pyramids) that show.

Image:  http://www.dartmouth.edu/~izapa/CS-MM-Chap.%207.htm

This passage of the zenithal sun is marked by a stone shaft or gnomon that sits at the base of…

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Calendar: 3 Sinusoidal Sun, Lahaina Noon, and Six Seasons — Iwaya-Iwakage of Kanayama Megaliths

Solar declination Solar Declination is Sinusoidal To understand the calendar theoretically, we need to study the sun’s declination and its altitude over the course of a year. Solar declination is the angle between the sun’s rays and the plane of the earth’s equator. It is shown above as 23.4 degrees for summer solstice when the sun […]

Calendar: 3 Sinusoidal Sun, Lahaina Noon, and Six Seasons — Iwaya-Iwakage of Kanayama Megaliths

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Ursprünglich veröffentlicht auf Kirsten Armbruster:
Text: Dr. Kirsten Armbruster You´ll find an english version of this text above, translated by Deep L Die Latefossen in Norwegen (lat, latte, lac, Laktation – die Milch). Die zwei Milch-Fluss-Wasserfälle, die aus…

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