Panspermie: Verskil tussen weergawes
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Hierdie is eksterne. |
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Lyn 11:
* 2 Mei 2009: Freeman Dyson praat gunstig oor panspermia.
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* [http://www.glodiebybel.co.za/component/content/article/320-aanhalings-panspermia.html Aanhalings - Panspermia]
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