| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| crab nebula hubble telescope | 1.87 | 0.2 | 9153 | 71 | 28 |
| crab | 0.02 | 1 | 7240 | 26 | 4 |
| nebula | 1.83 | 0.5 | 8986 | 14 | 6 |
| hubble | 1.99 | 0.8 | 9777 | 10 | 6 |
| telescope | 1.66 | 0.9 | 7393 | 45 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| crab nebula hubble telescope | 0.61 | 0.9 | 455 | 54 |
