Statistically Proven- 5,000 Year-old Stone Circles have Astronomical Alignments

A new study provides statistical proof that two 5,000 year-old stone circles in Scotland have alignments with the solstice sun and major lunar standstill (an event that occurs every 18.6 years). 

http://www.livescience.com/55832-ancient-stone-circles-align-solstice-sun.html