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
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| S Sep 24, 2015 at 2:52 | history | suggested | chepner | CC BY-SA 3.0 |
Make hyperlink and reformat to make it clearer that circumference and density are used to estimate mass.
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| Sep 24, 2015 at 2:15 | review | Suggested edits | |||
| S Sep 24, 2015 at 2:52 | |||||
| Sep 22, 2015 at 14:56 | history | answered | njzk2 | CC BY-SA 3.0 |