Ancient Calendar, Recently Discovered, May Document a Long-Ago DisasterThe discovery of an ancient calendar at Gobekli Tepe suggests it recorded a comet strike 13,000 years ago.
The world's oldest solar calendar may have been unearthed in TurkeyThe V-shaped symbols at Gobekli Tepe may represent the world's oldest lunisolar calendar and commemorate a comet strike 13,000 years ago.
Ancient Calendar, Recently Discovered, May Document a Long-Ago DisasterThe discovery of an ancient calendar at Gobekli Tepe suggests it recorded a comet strike 13,000 years ago.
The world's oldest solar calendar may have been unearthed in TurkeyThe V-shaped symbols at Gobekli Tepe may represent the world's oldest lunisolar calendar and commemorate a comet strike 13,000 years ago.