News tagged with stratospheric dust

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Rare noctilucent clouds seen over Armagh

Rare noctilucent or "night shining" clouds were observed over Armagh on the night of 19th/20th June. These silvery, highly structured clouds take many forms, ranging from delicate feather structures to streamers, ...

dateJun 24, 2014 in Earth Sciences
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The five biggest threats to human existence

In the daily hubbub of current "crises" facing humanity, we forget about the many generations we hope are yet to come. Not those who will live 200 years from now, but 1,000 or 10,000 years from now. I use ...

dateMay 29, 2014 in Other
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