Organised by Clare Tuffy of Bru na Boinne (OPW), this summer's series of lectures at Hill of Tara Visitors Centre, near Navan in Co Meath, are on an astronomical theme to mark the International Year of Astronomy.
They are held on successive Wednesdays, at 8 pm.
Admission is free.
(1) July 1:
"How the Ancient Irish Viewed the Skies"
by Terry Moseley, Irish Astronomical Association
(2) July 8:
"Galileo And The Copernican Revolution"
by Prof. Markus Woerner, NUI Galway
(3) July 15:
"Irish Astronomy In The Nineteenth Century"
by Prof. Trevor Weekes, Smithsonian Institution, Washington
(4) July 22:
"Exploring The Cosmos: The View from Hubble and Beyond"
by Prof. Tom Ray, Dublin Institute of Advanced Studies