| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| planetary nebula definition and images | 0.52 | 0.5 | 3967 | 48 | 38 |
| planetary | 0.52 | 0.5 | 4271 | 85 | 9 |
| nebula | 0.65 | 0.2 | 3439 | 73 | 6 |
| definition | 0.94 | 0.1 | 8726 | 93 | 10 |
| and | 1.55 | 0.2 | 2374 | 44 | 3 |
| images | 1.79 | 0.7 | 9922 | 98 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| planetary nebula definition and images | 0.08 | 0.3 | 9646 | 61 |
