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Topics | Replies | Views | Last post |
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Physics, Astronomy & Cosmology \ The big bang theory says space expanded, what space did it expand into? Started by Unseen Perspective |
4 | 2676 | Last post by Bogie_smiles 11/08/2022 03:49:45 |
General Science \ Why can't radio waves pass through the ionosphere, but a spaceship can? Started by Unseen Perspective |
1 | 2003 | Last post by alancalverd 05/08/2022 20:02:37 |
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