How did the Builders Align the Pyramids to True North With an Error of Only ~0.05 Degrees?

From The Observatory
The Observatory » Area » Dig Labs

Although the Great Pyramid of Giza is slightly lopsided, it aligns almost perfectly among the cardinal points.

Dig Labs Collaborative ResearchHelp us investigate these questions further. Review the current state of research surrounding this topic, suggest new sources, or share your expertise. Every contribution helps.
Dig Labs Collaborative ResearchHelp us investigate these questions further. Review the current state of research surrounding this topic, suggest new sources, or share your expertise. Every contribution helps.
BY
Investigating historic and prehistoric mysteries together through crowdfunded research.
SOURCE

Introduction

According to the star-based alignment theory, ancient Egyptian pyramid builders likely used the alignment of stars in the Big and Little Dippers to orient the pyramids. Around 2467 BCE, the stars Mizar and Kochab were positioned so that they aligned with the north celestial pole.

Although the Great Pyramid of Giza is slightly lopsided, it aligns almost perfectly among the cardinal points.