Timeline for How can I conclude that I live in a solar system?
Current License: CC BY-SA 2.5
2 events
| when toggle format | what | by | license | comment | |
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| Jul 11, 2010 at 0:09 | history | edited | sigoldberg1 | CC BY-SA 2.5 |
added 140 characters in body; added 87 characters in body
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| Jul 10, 2010 at 21:36 | history | answered | sigoldberg1 | CC BY-SA 2.5 |