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Ancient cave art suggests humans understood astronomy 40,000 years ago

LONDON

Some of the world’s oldest cave paintings, found at sites across Europe, reveal that human ancestors may have had an advanced knowledge of astronomy as far back as 40,000 years ago, a study has found.

The animal symbols in the artwork represent star constellations in the night sky and are used to represent dates and mark events such as comet strikes, according to researchers from the University of Edinburgh in the UK.

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 study, published in the Athens Journal of History, suggests 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.

Around the time that Neanderthals became extinct, and perhaps before humankind settled in Western Europe, people could define dates to within 250 years.

The findings indicate that the astronomical insights of ancient people were far greater than previously believed.

Their knowledge may have aided navigation of the open seas, with implications for our understanding of prehistoric human migration, researchers said.

The team studied details of Palaeolithic and Neolithic art featuring animal symbols at sites in Turkey, Spain, France and Germany.

They found all the sites used the same method of date-keeping based on sophisticated astronomy, even though the art was separated in time by tens of thousands of years.

Researchers clarified earlier findings from a study of stone carvings at one of these sites — Gobekli Tepe in modern-day Turkey — which is interpreted as a memorial to a devastating comet strike around 11,000 BC.

This strike was thought to have initiated a mini ice-age known as the Younger Dryas period.

They also decoded what is probably the best known ancient artwork — the Lascaux Shaft Scene in France.

The work, which features a dying man and several animals, may commemorate another comet strike around 15,200 BC, researchers suggest.

The team confirmed the findings by comparing the age of many examples of cave art — known from chemically dating the paints used — with the positions of stars in ancient times as predicted by sophisticated software.

The world’s oldest sculpture, the Lion-Man of Hohlenstein-Stadel Cave, from 38,000 BC, was also found to conform to this ancient time-keeping system.

“Early cave art shows that people had advanced knowledge of the night sky within the last ice age. Intellectually, they were hardly any different to us today,” said Martin Sweatman, of the University of Edinburgh, who led the study.

“These findings support a theory of multiple comet impacts over the course of human development, and will probably revolutionise how prehistoric populations are seen,” said Sweatman. (PTI)

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