Co Waterford-based astrophysicist explains the beautiful northern lights!

Across Waterford city and county last night (Monday) people were treated to a spectacular Northern Lights display!The powerful solar storm was sparked by a strong solar flare on Sunday.Dr Brian O'Halloran is a former astrophysicist with the European Space Agency - and he lives in none other than Boatstrand, Co Waterford!This morning (Tuesday) he came on 'Deise Today' to explain the beautiful phenomenon!You can listen back by clicking on the image above (which is actually one of Brian's own, taken from his home in Boatstrand last night!)...See omnystudio.com/listener for privacy information.