| user: | phkahler |
| created: | 17 years ago |
| karma: | 23418 |
| about: | Solvespace Maintainer: https://solvespace.com/index.pl The shell theorem does not apply to galaxies. |
| user: | phkahler |
| created: | 17 years ago |
| karma: | 23418 |
| about: | Solvespace Maintainer: https://solvespace.com/index.pl The shell theorem does not apply to galaxies. |