| user: | phkahler |
| created: | 16 years ago |
| karma: | 21722 |
| about: | Solvespace Maintainer: https://solvespace.com/index.pl The shell theorem does not apply to galaxies. |
| user: | phkahler |
| created: | 16 years ago |
| karma: | 21722 |
| about: | Solvespace Maintainer: https://solvespace.com/index.pl The shell theorem does not apply to galaxies. |