| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| historical models of the solar system | 0.85 | 0.7 | 3927 | 77 | 37 |
| historical | 0.11 | 0.9 | 4206 | 47 | 10 |
| models | 0.22 | 0.1 | 5650 | 8 | 6 |
| of | 0.99 | 0.3 | 3450 | 67 | 2 |
| the | 0.88 | 0.6 | 5768 | 53 | 3 |
| solar | 0.56 | 0.4 | 4921 | 58 | 5 |
| system | 1.01 | 0.8 | 7634 | 3 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical models of the solar system | 1.23 | 0.4 | 2324 | 72 |
