TheattempttosendandlandastronautsonMarsrisksbillionsofdollarsandthelivesofthosebraveenoughtoattemptit.Isthepossiblebenefitreallyworththerisk?Andisitreallyachievable? GuidingusthroughthisethicalandscientificminefieldisDrKevinFong.Kevin'sdiversebackgroundinastrophysics,aeronauticsandmedicinemakeshimuniquelyplacedtounders..aaa
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