Timeline for I'm stranded on an alien planet. How do I measure an earth year without a clock?
Current License: CC BY-SA 3.0
1 event
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 27, 2015 at 0:28 | history | answered | DenDenDo | CC BY-SA 3.0 |