| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ptolemaic model retrograde motion | 0.15 | 0.5 | 7336 | 100 | 33 |
| ptolemaic | 1.8 | 0.1 | 9691 | 41 | 9 |
| model | 0.99 | 0.5 | 7483 | 72 | 5 |
| retrograde | 0.9 | 0.1 | 6059 | 1 | 10 |
| motion | 0.68 | 0.4 | 7894 | 44 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ptolemaic model retrograde motion | 0.6 | 0.1 | 7892 | 62 |
