* Astronomy

Archaeologists dig at Pillar of Eliseg near Llangollen

Archaeologists are launching a new dig to try to unearth the secrets of a 9th Century stone monument on a prehistoric mound.
Bangor and Chester university experts will begin excavations at the Pillar of Eliseg near Llangollen, Denbighshire.
It is part of work by historical monuments agency Cadw to conserve the mound and better explain it to people.
Last year excavations focussed on the mound, which was identified as an early Bronze Age cairn.
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There will be an open afternoon at the archaeological site on 16 September