UNIVERSITY OF EDINBURGH—Markings on a stone pillar at a 12,000 year-old archaeological site in Turkey likely represent the world’s oldest solar calendar, created as a memorial to a devastating comet strike, experts suggest.
The markings at Göbekli Tepe in southern Turkey – an ancient complex of temple-like enclosures adorned with intricately carved symbols – could record an astronomical event that triggered a key shift in human civilisation, researchers say.
The research* suggests ancient people were able to record their observations of the sun, moon and constellations in the form of a solar calendar, created to keep track of time and mark the change of seasons.
Fresh analysis of V-shaped symbols carved onto pillars at the site has found that each V could represent a single day. This interpretation allowed researchers to count a solar calendar of 365 days on one of the pillars, consisting of 12 lunar months plus 11 extra days.
The summer solstice appears as a separate, special day, represented by a V worn around the neck of a bird-like beast thought to represent the summer solstice constellation at the time. Other statues nearby, possibly representing deities, have been found with similar V-markings at their necks.
Since both the moon’s and the sun’s cycles are depicted, the carvings could represent the world’s earliest so-called lunisolar calendar, based on the phases of the moon and the position of the sun – pre-dating other known calendars of this type by many millennia.
Ancient people may have created these carvings at Göbekli Tepe to record the date a swarm of comet fragments hit Earth nearly 13,000 years ago – or 10,850 BC – researchers say.
The comet strike is suggested to have ushered in a mini ice age lasting over 1,200 years, wiping out many species of large animals. It could also have triggered changes in lifestyle and agriculture thought to be linked to the birth of civilisation soon afterwards in the fertile crescent of West Asia.
Another pillar at the site appears to picture the Taurid meteor stream – which is thought to be the source of the comet fragments – lasting 27 days and emanating from the directions of Aquarius and Pisces.
The find also appears to confirm that ancient people were able to record dates using precession – the wobble in Earth’s axis which affects the movement of constellations across the sky – at least 10,000 years before the phenomenon was documented by Hipparchus of Ancient Greece in 150 BC.
The carvings appear to have remained important to the people of Göbekli Tepe for millennia, suggesting the impact event may have triggered a new cult or religion that influenced the development of civilisation.
The find also supports a theory that Earth faces increased comet strikes as its orbit crosses the path of circling comet fragments, which we normally experience as meteor streams.
Dr Martin Sweatman, of the University of Edinburgh’s School of Engineering, who led the research, said:
“It appears the inhabitants of Göbekli Tepe were keen observers of the sky, which is to be expected given their world had been devastated by a comet strike. This event might have triggered civilisation by initiating a new religion and by motivating developments in agriculture to cope with the cold climate. Possibly, their attempts to record what they saw are the first steps towards the development of writing millennia later.”
The research is published in Time and Mind.
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Carvings at Göbekli Tepe are thought to represent the world’s oldest calendar. Dr Martin Sweatman
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Article Source: UNIVERSITY OF EDINBURGH news release.
*Representations of calendars and time at Göbekli Tepe and Karahan Tepe support an astronomical interpretation of their symbolism, Time and Mind, 24-Jul-2024. 10.1080/1751696X.2024.2373876
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