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<blockquote data-quote="Levistus's_Leviathan" data-source="post: 8417840" data-attributes="member: 7023887">I'll answer your question with a question: Why would it be likely that in the possibly infinite universe that the one system that our planet developed to create life would also be commonly found on exoplanets? I'm not saying that it's impossible that another planet could have the same basic elemental makeup and through similar processes to the ones that happened on Earth also develop DNA/RNA-based lifeforms, but it seems very improbable. The universe can surely find ways to generate life different from how Earth did it. (Also, scientists think that it's likely that Silicon could be used as a backbone for supporting biological structures, instead of Carbon, like Earth uses. If alien life can use Silicon or some other element/molecule to support life, they wouldn't have DNA/RNA.)I'm also not an expert, just an enthusiast, so take this post with a grain of salt.</blockquote>

[QUOTE="Levistus's_Leviathan, post: 8417840, member: 7023887"] I'll answer your question with a question: Why would it be likely that in the possibly infinite universe that the one system that our planet developed to create life would also be commonly found on exoplanets? I'm not saying that it's impossible that another planet could have the same basic elemental makeup and through similar processes to the ones that happened on Earth also develop DNA/RNA-based lifeforms, but it seems very improbable. The universe can surely find ways to generate life different from how Earth did it. (Also, scientists think that it's likely that Silicon could be used as a backbone for supporting biological structures, instead of Carbon, like Earth uses. If alien life can use Silicon or some other element/molecule to support life, they wouldn't have DNA/RNA.) I'm also not an expert, just an enthusiast, so take this post with a grain of salt. [/QUOTE]

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