Timeline for How much time is needed to judge an Earth-like planet to be safe?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 20 at 18:21 | comment | added | RonJohn | "Feel nervous" is substantively different from sending out a human guinea pig. Trust your spectrometer. | |
| Jun 20 at 17:39 | comment | added | Richard Kirk | @RonJohn I assume all sensible precautions have been taken before anyone steps outside at all. But, even if all your instruments told you that the air was breathable, you would still feel nervous. | |
| Jun 20 at 14:22 | comment | added | RonJohn | "So you might imagine someone spending half a day outside without special clothing." I think I'd drop probes from space (like we do on Mars) to check for radiation (from above, from the air, from the ground, etc), mineral content of the ground, take water samples, etc. | |
| Jun 19 at 12:04 | history | answered | Richard Kirk | CC BY-SA 4.0 |