Planetary protection for a Mars sample return: Difference between revisions

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They divide it into 3 categories
 
{{bq|* Large-scale negative pathogenic effects in humans;<br>* Destructive impacts on Earth's ecological systems or environments; and<br>* Toxic and other effects attributable to microbes, their cellular structures, or extracellular products.}}[http://www.nap.edu/openbook.php?record_id=12576&page=45 (page 45)]
{{bq|
* Large-scale negative pathogenic effects in humans;
 
* Destructive impacts on Earth's ecological systems or environments; and
 
* Toxic and other effects attributable to microbes, their cellular structures, or extracellular products.
 
}}[http://www.nap.edu/openbook.php?record_id=12576&page=45 (page 45)]
 
They conclude that the last one is unlikely. But for the other two