| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| ptolemaic system vs copernican system | 1.81 | 0.9 | 7156 | 87 | 37 |
| ptolemaic | 1.98 | 0.3 | 704 | 38 | 9 |
| system | 0.83 | 0.1 | 5306 | 9 | 6 |
| vs | 0.7 | 1 | 4792 | 42 | 2 |
| copernican | 1.77 | 0.3 | 2048 | 54 | 10 |
| system | 1.67 | 0.2 | 9237 | 22 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| ptolemaic system vs copernican system | 1.98 | 0.5 | 9654 | 30 |
