What natural phenomenon provided the first true, stable reference points for ancient mathematicians to begin quantifying celestial angles?

Answer

The North Star remaining essentially fixed relative to Earth’s rotation.

Because the pole star remained immovable relative to Earth’s spinning, it served as an immovable grid, allowing early thinkers to begin quantifying angles and distances on the celestial sphere.

What natural phenomenon provided the first true, stable reference points for ancient mathematicians to begin quantifying celestial angles?

#Videos

The History of Astronomy in the Ancient World - YouTube

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