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 ==Comment== 
 Sol system (based on Latin Sol=sun) is perfectly workable. Besides, using the term ""solar system"" with aliens would not present a problem either. Aliens don't speak English, at least not as a native language. We could also create a name for our home planet. After all, it is incorrecly named with a word for ""dirt"" not ""water"" when it is clearly a water planet. - "