Timeline for What can I add to an oxygen/nitrogen atmosphere to make it unpalatable or poisonous to humans, yet stable and breathable to local creatures?
Current License: CC BY-SA 3.0
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| Apr 22, 2017 at 1:56 | comment | added | a4android | First thing I thought of too, so this earns you plus one from me. Actually the planet can be both smelly and fatal. Some locations will have fatal atmospheres, say, due to a high concentration of biological sources of H2S, while others don't have so much. As long as you can smell the foul aroma of rotten eggs it's safe, but if the air smells fresh you die. | |
| Apr 21, 2017 at 12:58 | history | answered | Mike Scott | CC BY-SA 3.0 |