| return to earth | 0.30 |
| speed up in microgravity | 0.30 |
| adapt to weightlessness | 0.25 |
| reflect on their mission | 0.25 |
| promote balanced hormon… | 0.16 |
| spent in space | 0.81 |
| subject to change | 0.30 |
| limited | 0.30 |
| measured | 0.28 |
| spent on martian surface | 0.25 |
| spent in orbit | 0.25 |
| perceived in space | 0.25 |
| spent on the surface | 0.25 |