People should be able to catch a glimpse of the first partial solar eclipse in Ireland since 1990 this morning.
It's expected to be the biggest spectacle of its kind in years, when the moon passes in front of the sun.
Events are taking place across the country to allow people view the eclipse through special glasses and telescopes.
One such event is being held in Trinity College Dublin's Front Square from 9am this morning.
Associate Professor in Physics at Trinity Dr Peter Gallagher explains how rare they are: