Some of the world’s oldest cave paintings have revealed how ancient people had relatively advanced knowledge of astronomy.
The artworks, at sites across Europe, are not simply depictions of wild animals, as was previously thought. Instead, the animal symbols represent star constellations in the night sky, and are used to represent dates and mark events such as comet strikes, analysis suggests.
They reveal that, perhaps as far back as 40,000 years ago, humans kept track of time using knowledge of how the position of the stars slowly changes over thousands of years.
The findings suggest that ancient people understood an effect caused by the gradual shift of Earth’s rotational axis. Discovery of this phenomenon, called precession of the equinoxes, was previously credited to the ancient Greeks. Read more.
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