Monday, 21 December there were not one, but two amazing events and for Dr Niamh Shaw on Space Hub it means Christmas really has come early!
Every year on this date we have the shortest day of the year and this is known in Ireland as the Winter Solstice. On top of this we saw the great conjunction of Jupiter and Saturn. It formed what is known as the Christmas star.
This 'star' had not been this easy to see for over 800 years! It was a major moment in history.
For more on the great conjunction and where to see it there is loads more information HERE
At the Brú na Bóinne sites in Meath they have celebrated the Solstice for thousands of years and Niamh explains the science behind Newgrange and how the light enters the passage tomb.
The event was live streamed on the OPW website...
RTÉ had a special event called Shine Your Light to mark the occasion and you can see it on the player HERE
Have a look at the report on RTÉ News below.
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