Get the latest Science News and Discoveries

Stonehenge was likely and ancient solar calendar. According to a new study, a circle of 30 upright "sarsen" stones marked the days each month. Four stones on the outside of the circle tracked leap years. The top of the circle illuminated during summer solstice, and the bottom during winter solstice.


None

Get the Android app

Or read this on r/Space

Read more on:

Photo of Winter Solstice

Winter Solstice

Photo of Stonehenge

Stonehenge

Photo of Summer

Summer

Related news:

News photo

Ancient Europeans farmed dairy—but couldn’t digest milk

News photo

Scientists spot alien worlds orbiting exotic star pairs using new technique

News photo

Famine and disease may have driven ancient Europeans’ lactose tolerance