This section allows you to view the topics this user has created, and which topics the user has participated in.
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Topics | Replies | Views | Last post |
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Physics, Astronomy & Cosmology \ How fast does gravity propagate? Started by thedoc |
17 | 10893 | Last post by jeffreyH 03/12/2016 11:55:33 |
Physics, Astronomy & Cosmology \ How did the moon get it's markings? Started by thedoc |
11 | 4495 | Last post by IAMREALITY 07/07/2016 01:10:53 |
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