Timeline for Is this atmospheric composition breathable, and what would it look like?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 8, 2017 at 14:24 | comment | added | WhatRoughBeast | You mean, I think, a percentage of nitrogen replaced with both oxygen and xenon. Standard air is 21% oxygen. | |
| Jun 5, 2017 at 20:00 | history | answered | Willk | CC BY-SA 3.0 |