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Archaeological evidence shows that ancient civilizations, such as the Babylonians around 1800 B.C., formally observed the night sky, appointing officials to monitor celestial bodies. Stonehenge, built over roughly 1,500 years, remains a testament to humanity’s long‑standing fascination with astronomy. While the monument’s axes align with the summer solstice sunrise and winter solstice sunset, recent research has highlighted a sophisticated relationship with lunar events, particularly the major lunar standstill.
A major lunar standstill occurs every 18.6 years and marks the points where the Moon’s rise and set positions reach their northernmost and southernmost extremes. Because the Moon’s orbit is inclined relative to the Earth’s equator, these extremes extend beyond the Sun’s own solstitial limits. Unlike the Sun’s brief solstice, a lunar standstill can persist for up to two years, offering a unique, long‑lasting celestial marker that can be observed from any location on Earth. The full Moon—when the Moon is fully illuminated—provides the clearest view of the standstill’s maximum range.
During the 2024‑2025 standstill, researchers from Bournemouth University, the Royal Astronomical Society, the University of Leicester, and Oxford University undertook a series of observations to chart the Moon’s path relative to Stonehenge’s stone arrangement. Their focus centered on the Station Stones—four large stones that outline a precise rectangle surrounding the main circle. By recording the Moon’s rise and set points during the standstill, the team confirmed that these stones align with the Moon’s extreme northern and southern positions.
Archaeologists believe that the builders of Stonehenge, who likely represented multiple tribes over centuries, intentionally incorporated lunar markers into the monument’s design. Evidence from the surrounding ditch—used as a burial ground for cremated remains before the stones were erected—suggests that many interments were positioned to align with the Moon’s southernmost rise during a standstill. This alignment hints at a possible ritual or calendrical significance linked to lunar cycles.
Understanding these lunar relationships helps clarify Stonehenge’s broader purpose. The monument may have served as a sophisticated calendar for agricultural planning, a focal point for observing lunar deities, or a ceremonial venue for tribal gatherings. By synchronizing with both solar and lunar cycles, Stonehenge would have provided a multifaceted tool for ancient societies.
