| brightness → CapableOf → vary with time | 0.68 | |
| brightness → CapableOf → reflect to the world | 0.44 | |
| brightness → CapableOf → hint at third body | 0.33 | |
| brightness → CapableOf → decrease with the square of the… | 0.25 | |
| brightness → CapableOf → increased by about 70,000 times | 0.25 | |
| brightness → CapableOf → vary in regular cycle | 0.25 |