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What causes the Northern Lights?

Irish sky watchers were last night treated to a surprise northern lights vista across the country. But what is the aurora borealis, and why did it make an impromptu visit to our skyline? Dr. Colman Gallagher, Planetary geomorphologist at the UCD School...

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17.15 27 Feb 2023


What causes the Northern Lights?


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17.15 27 Feb 2023


Irish sky watchers were last night treated to a surprise northern lights vista across the country. But what is the aurora borealis, and why did it make an impromptu visit to our skyline?

Dr. Colman Gallagher, Planetary geomorphologist at the UCD School of Geography and the UCD Earth Institute to explain the science behind the northern lights


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