%0 Journal Article %T Astronomic Bioethics: Terraforming X Planetary protection %A Dario Palhares %A ¨Ēris Almeida dos Santos %J - %D 2017 %R https://doi.org/10.3329/bioethics.v8i2.34474 %K invasive species %K ecology %K oxygen %K sulphur %U https://www.banglajol.info/index.php/BIOETHICS/article/view/34474