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Science Defense Space Astronomy Tech Energy Physics Newsletter Submissions About Image Credit: University of West Bohemia Archaeologists Unearth 6,500-Year-Old ‘Sun and Moon’ Ritual Center That Predates Stonehenge by 1,000 Years Christopher Plain · August 26, 2026 A University of West Bohemia (UWB)- led team of archaeologists has unearthed an ancient Czech ritual center linked to the movement of the Sun and Moon , predating Stonehenge by over 1,000 years. The UWB-led team behind the discovery said the site’s 6,500-year-old age makes it one of the oldest monuments of Central Europe . Moving forward, the researchers plan to take soil samples from the enclosure and its surroundings to examine chemical traces left by the site’s ancient inhabitants . Ancient Ritual Center Predating Stonehenge Tracks Sun and Moon Positions According to a UWB statement , the newly discovered almost circular enclosure was found at present-day Chelby. Initial measurements set its diameter at 230 meters. The ritual center also featured a 2.5-meter-plus ditch and twelve entrances placed at irregular intervals. Research team leader Petr Krištuf of UWB’s Department of Archaeology at the Faculty of Arts said circular enclosures like the Chelby structure are completely unknown in this region, making the site “exceptional.” However, Krištuf explained, when researchers began analyzing the positions of the asymmetrical entrances, “ it became clear that their arrangement was not random.” Image Credit: UWB “Their geometry creates a system that made it possible to observe the most significant moments of the solar and lunar cycles ,” the UWB researcher explained. A more detailed survey of the newly discovered ritual center revealed two main observation points designed for specially timed observations of the Sun and Moon. The researchers said the first appears to be “associated with the Moon’s extreme positions on the horizon during its approximately 18-year cycle.” The team said the second observation point identified during the survey connects the sunrise at the summer solstice , the longest day of the year, with sunset on the winter solstice , the shortest day. Archaeologists Note Site’s Similar Astronomical Alignments to Famous Neighbor Although the site is not the only ancient monumental structure in the region, the team used organic material to date the newly discovered enclosure to 6,500 years before present. For comparison, the relatively nearby Stonehenge monument, which also contains astronomical alignments connected to the Sun and Moon, was built over 1,000 years later. Image Credit: UWB Krištuf said the astronomical alignments found at the Chelby site are not unusual for prehistoric people. The researchers specifically highlighted the symbolic nature of sunrise and the summer solstice marking a beginning for prehistoric farming communities known to inhabit the region. They also noted the winter solstice “represented an ending” for these same ancient farmers. “The same principle can be seen along Stonehenge’s main axis,” the researcher explained. “We can now see that the sanctuary at Chleby was designed similarly. Still, more than a thousand years earlier, as we have established from the dating of organic material.” Additional evidence found at the site also suggests the newly discovered enclosure was a ritual center where people performed ceremonies celebrating astronomical events. For example, the team unearthed bull skulls and horns in the ditches near the entrances. Archaeologist Jan Turek, who is involved in the research on behalf of Charles University, said the artifacts, which are similar to objects excavated near Stonehenge, suggest the ritual center’s ancient builders may have decorated the monumental gateways leading into the enclosure. “The cult of the bull was an important religious symbol among the first farming communities and is known from many parts of prehistoric Europe,” Turek explained. See Also The Laser That Shut Down El Paso’s Skies: What We Know About the Army’s ‘LOCUST’ Counter-Drone Weapon Krištuf said their research also unearthed several iterations of the ritual center. The team leader said this feature sets it apart from its nearby, more well-known successor. “While Stonehenge experienced repeated periods of renewed use and is still associated, for example, with Celtic druids, the first results from Chleby suggest the opposite development,” he explained. “By the Iron Age, the monument appears to have definitively lost its original significance. The ditch was gradually filled in, and an ordinary settlement was established on the site of the former sanctuary.” Upcoming Soil Samples Could Fill in Missing Historical Blanks The next step in the ancient ritual center’s excavation will include a detailed soil analysis. Jan Fišer of the University of Hradec Králové, who is analyzing soil samples from the enclosure and the immediate surrounding area, noted that chemical traces in the soil can complement artifacts and human remains. “These can help us understand how this exceptional site was used during different periods of prehistory,” Fišer explained. The new excavations and upcoming soil analysis are part of a greater international effort, Long-term Land Use Dynamics within the Areas of Prehistoric Ritual Places . That project focuses on changes in prehistoric ritual landscapes like Stonehenge and the new Chelby site. Christopher Plain is a Science Fiction and Fantasy novelist and has spent the last six years as Associate News Editor and Head Science Writer at The Debrief. Follow and connect with him on X , learn about his books at plainfiction.com , or email him at christopher@thedebrief.org . 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