IS this just a pile of rocks placed in a semicircle, or proof that Aborigines were the world's first astronomers?

After years of meticulous examination, a group of Australia's most distinguished astro-physicists is starting to believe it's the latter - a discovery that could turn history upside down and render England's famous Stonehenge an also-ran.

Dubbed Wurdi Youang, the strange stone arrangement was found on property near Mt Rothwell, 80km west of Melbourne - its two points set in perfect alignment with the setting sun on a midsummer's day.

CSIRO experts believe the ancient Aboriginal sundial could be upwards of 10,000 years old, an estimate that would have it pre-date the famous neolithic Stonehenge and the only remaining ancient wonder of the world, the Egyptian Pyramids.

Read more: http://www.news.com.au/technology/sci-te...6000523978

Stonehenge is about 4500 years old
Giza Pyramids are about 4600 years old