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Surya Siddhanta

  • Finding True North: The Gnomon – The Shadow Circle Geometry

    Categories: Ancient Science & Tech, Astronomy and Cosmology—
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  • Retrograde Motion (Vakra Gati) – The Optical Illusion of the Wanderers

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  • The Earth’s Tilt (Obliquity) – The 24-Degree Angle of the Seasons

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  • The First Prime Meridian (Madhyarekha) – The Greenwich of the East

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  • Precession of Equinoxes (Ayanamsa) – The Wobble of the Earth

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  • Orbital Velocity and The ‘Wind’ of Time – Balancing the Solar System

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  • The Precision of the Sidereal Year – The Perfect Star-Clock

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  • The Lunar Nodes (Rahu and Ketu) – The Mathematics of an Eclipse

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  • Planetary Diameters – Measuring the Untouchable Worlds

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Exploring the historical and philosophical foundations of modern science within the intellectual traditions of ancient India.

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  • Home
  • Ancient Science & Tech
    • Zero to Gravity: The 108 Foundations
    • Astronomy and Cosmology
    • Engineering and Civilisation
    • Mathematics
    • Physics and Chemistry
    • Life Sciences and Medicine
  • History & Empires
  • Philosophy & Texts
    • Sacred Texts (Vedas & Upanishads)
  • Arts & Architecture
    • Temple Architecture
  • Other
    • Buy Book: ZeroToGravity
    • Contact
    • About

Zero to Gravity: The Ancient Indian Roots of Modern Science

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