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Tree rings suggest that Celtic myths may have a core of truth and record significant astronomical events  | Could this be C'ùchulainn? - It's actually Comet Donati 1858* |
| | | Warning: This ppt file can take a long time to download |
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| Contact: m e t r o n a x @ g m a i l . c o m | lundi 3 juin 2013 |
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