
from the back cover of CHACO ASTRONOMY: An Ancient American Cosmology
According to the astronomer-architect of the modern UMass Sunwheel, Dr. Judith Young,
“The Sun Dagger is accepted by archaeoastronomers worldwide as the best example of a culture keeping track of the cycles of the Sun and Moon.”

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December 23rd, 2009 at 9:48 am
[...] (Peru, a Zapotec site), and another one exists at Building J (Mexico). Chaco Canyon’s famous sun dagger (United States) is another type of solar observation mechanism. The Inca built Rumicucho (Ecuador [...]