| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| space science book pdf | 1.37 | 0.3 | 9181 | 79 | 22 |
| space | 1.54 | 0.2 | 3008 | 84 | 5 |
| science | 0.26 | 0.9 | 596 | 75 | 7 |
| book | 0.08 | 0.9 | 1115 | 29 | 4 |
| 0.92 | 0.9 | 364 | 20 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| space science book pdf | 1.45 | 0.4 | 7004 | 65 |
