Oh wow, this is really interesting. For example, this is a monograph about the precautions and ethics in contaminating the moon and planets with our chemicals

Oh wow, this is really interesting. For example, this is a monograph about the precautions and ethics in contaminating the moon and planets with our chemicals and bio-life. As we study things like the brittle atmosphere of the moon, we change it. http://www.nasa.gov/pdf/607072main_WhenBiospheresCollide-ebook.pdf http://www.nasa.gov/pdf/607072main_WhenBiospheresCollide-ebo...