| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| definition of a planetary nebula | 1.78 | 0.1 | 4382 | 42 | 32 |
| definition | 0.89 | 0.6 | 2307 | 25 | 10 |
| of | 0.51 | 0.7 | 335 | 23 | 2 |
| a | 1.34 | 0.4 | 4235 | 27 | 1 |
| planetary | 1.87 | 0.2 | 5486 | 17 | 9 |
| nebula | 1.78 | 0.8 | 4528 | 15 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| definition of a planetary nebula | 0.27 | 0.8 | 6702 | 20 |
