User contributions
- 14:48, 23 September 2012 (diff | hist) . . (+1) . . 1020: Orion Nebula (→Explanation)
- 14:40, 23 September 2012 (diff | hist) . . (+1) . . 1028: Communication (→Explanation)
- 14:39, 23 September 2012 (diff | hist) . . (+1) . . 1028: Communication (→Explanation)