摘要: Ian Stoner has recently argued that we ought not to colonize Mars because (1) doing so would flout our pro tanto obligation violate the principle of scientific conservation, and (2) there is no countervailing considerations render violation permissible. While I remain agnostic on (1), my primary goal in this article challenge (2): are As such, failed establish Mars. close with some thoughts what it take show do have an related issues concerning relationship between way discount preferences over time projects long horizons, like space colonization.