User contributions
- 10:44, 25 June 2018 (diff | hist) . . (-2) . . 2011: Newton's Trajectories (→Explanation)
- 21:18, 28 August 2017 (diff | hist) . . (+334) . . Talk:1882: Color Models
- 16:48, 18 August 2017 (diff | hist) . . (-2) . . 1878: Earth Orbital Diagram (→Explanation)