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						Note: The word 'exo-terrestrial' 
						is used in preference to 'extraterrestrial.' It is more 
						exact etymologically, less romantic and sensational, and 
						easier to pronounce.  
						  
						"Nihil difficile naturae 
						est, utique ubi in finem sui properat.""Nothing is difficult for nature, especially when she 
						hastens to destroy herself."
 Seneca
 De Quaestiones Naturae
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