Timeline for Could a space colony 1g from the sun work?
Current License: CC BY-SA 4.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 15, 2019 at 4:01 | history | edited | Snoopy | CC BY-SA 4.0 |
grammar
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| May 14, 2019 at 6:15 | history | answered | Snoopy | CC BY-SA 4.0 |