Ancient chronology: Astronomical orientation of the pyramids

@article{Rawlins2001AncientCA,
  title={Ancient chronology: Astronomical orientation of the pyramids},
  author={D. Rawlins and Keith A. Pickering},
  journal={Nature},
  year={2001},
  volume={412},
  pages={699-699}
}
Spence speculates that Egypt's pyramid builders found true north by using a plumb line: when the stars Kochab and Mizar were seen on the same vertical, one was facing north. As evidence in support of this hypothesis, she points to the proposed interstar-line precession past the north celestial pole at a rate of 27′ per century (cy). We argue that a mathematical error affects this result, which when corrected points more strongly to a different pair of stars. This suggests that the conventional… Expand
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