* Astronomy

A team of archaeologists and bushwalkers on an expedition in Wollemi National Park — just 100km from Sydney — have discovered an almost-complete hafted stone axe, hidden on a ledge at the back of a rock shelter.
It is thought to be the first time such an item has been found in place anywhere in the Sydney region and possibly in south-eastern Australia.
The team was taken to two remote ridge tops in the national park by helicopter last month.
What makes the find of the axe by Sydney bushwalker Peter Butler so remarkable is that the implement’s wooden handle was also in the same rock shelter.
As best as the team’s archaeologists can tell, the handle broke possibly a century and a half ago or more, and was discarded by its owner.
But the precious stone head, which would have required considerable time and skill to make, was carefully hidden. The leader of the party that found the axe, Matthew Kelleher, says it is the kind of discovery he dreamt about.

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