Keyword | CPC | PCC | Volume | Score | Length of keyword |
---|---|---|---|---|---|
foundations of astrophysics barbara ryden pdf | 1.19 | 0.9 | 5639 | 3 | 45 |
foundations | 1.96 | 0.7 | 4341 | 66 | 11 |
of | 1.88 | 1 | 5813 | 51 | 2 |
astrophysics | 1.78 | 0.9 | 8596 | 16 | 12 |
barbara | 0.82 | 0.6 | 3670 | 82 | 7 |
ryden | 0.54 | 0.1 | 5687 | 81 | 5 |
1.23 | 0.3 | 5080 | 15 | 3 |