Many of the cuneiform tablets of Mesopotamia and hieroglyphs of Egypt make reference to the sun, stars, or planetary positions. Also, a number of ancient structures in many parts of the world are aligned with, or directly oriented toward, the cardinal points (East, North, South, and West) or celestial objects. A recent study by astronomy historian Michael Horkin involved cataloging 2000 Neolithic tombs and researching over 1000 others in France, Portugal, Spain, and North Africa. His paper, presented to the Royal Astronomical Society in England, points out that thousands of Neolithic structures erected prior to 1000 BC were apparently built to face the sun or key constellations. Commenting on the study, E.C. Krupp, an archaeoastronomer with the Griffith Observatory in
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