| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| globular cluster harlow shapley | 0.56 | 0.6 | 1327 | 22 | 31 |
| globular | 0.77 | 0.8 | 257 | 64 | 8 |
| cluster | 1.43 | 0.5 | 2106 | 1 | 7 |
| harlow | 0.96 | 0.2 | 9367 | 6 | 6 |
| shapley | 0.26 | 0.3 | 6066 | 54 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| globular cluster h-r diagram | 1.29 | 1 | 9478 | 2 |
| globular cluster hr diagram | 1.6 | 0.1 | 6539 | 17 |
| picture of globular cluster | 0.35 | 0.7 | 2744 | 67 |
| what is a globular cluster | 0.85 | 0.7 | 7919 | 83 |
| how are the globular clusters distributed | 1.35 | 1 | 1121 | 16 |
| what is a globular star cluster | 0.81 | 0.1 | 803 | 32 |
| open and globular clusters | 0.76 | 0.4 | 2032 | 88 |
| list of globular clusters | 1.08 | 0.5 | 2348 | 18 |
| open clusters and globular clusters | 0.52 | 0.5 | 5810 | 10 |
| globular star cluster facts | 0.36 | 0.5 | 8296 | 88 |
| globular cluster vs open cluster | 0.15 | 0.4 | 2725 | 61 |
| hr diagram open cluster | 1.88 | 0.7 | 4588 | 22 |
| globular clusters yahoo answers | 1.1 | 0.8 | 2502 | 67 |
| globular star cluster definition | 0.18 | 0.5 | 431 | 56 |
| globular cluster open question | 1.71 | 0.6 | 9514 | 98 |
| compare globular clusters with open clusters | 0.61 | 0.5 | 1023 | 32 |
| globular clusters are typically observed | 0.79 | 0.3 | 4200 | 72 |
| how do globular clusters form | 1.25 | 0.9 | 6016 | 61 |
