Tag Archives: foot

Stonehenge: One of the Biggest Henges in the World!*

Stonehenge was built in Salisbury Plain between 3100 – 1100 BCE. Commonly known as a site of ritualistic activity, it wasn’t until the mid 20th century that archaeologists realized that Stonehenge also served as an astronomical observatory. According to Sacred Sites, “In the 1950s and 1960s, the Oxford University engineer Professor Alexander Thom and the [...]

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Saturn’s Rings

Saturn’s rings are 500,000 miles (10+05) or 2,640,000,000 feet (10+09) in circumference but only about one foot thick. Learn more about Saturn at SpaceFacts.net

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  • Countdown to Powers of Ten Day

    • 10/10/10 1285 days ago