| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| halley's comet orbital period | 0.28 | 0.8 | 3385 | 15 | 29 |
| halley's | 1.39 | 0.7 | 62 | 3 | 8 |
| comet | 1.58 | 0.6 | 2021 | 67 | 5 |
| orbital | 0.81 | 0.6 | 2351 | 21 | 7 |
| period | 0.58 | 0.5 | 1823 | 41 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| halley's comet orbital period | 1.93 | 0.1 | 5918 | 52 |
| the comet known as halley's orbital period | 1.07 | 0.8 | 2288 | 58 |
| what is the orbital period of halley's comet | 1.97 | 1 | 9448 | 95 |
| period of halley's comet | 1.88 | 0.6 | 4007 | 77 |
| orbit of halley's comet | 0.19 | 0.2 | 8602 | 53 |
| orbital radius of halley's comet | 1.38 | 0.5 | 2940 | 36 |
| halley's comet orbital speed | 0.82 | 0.1 | 8545 | 82 |
| halley's comet orbital path | 1.29 | 1 | 1582 | 97 |
| the comet known as halley's comet orbit | 0.49 | 0.1 | 3883 | 96 |
| years of halley's comet | 0.59 | 0.7 | 4555 | 34 |
| halley's comet dates and times | 0.78 | 0.9 | 892 | 64 |
| short period comets like comet halley | 0.76 | 0.2 | 7587 | 77 |
| dates of halley's comet | 0.58 | 0.5 | 985 | 87 |
| halley's comet historical dates | 0.01 | 0.7 | 6619 | 8 |
| halley's comet orbit path | 0.57 | 0.4 | 6329 | 48 |
| dates of halley's comet appearance | 1.63 | 0.9 | 9081 | 98 |
| halley's comet dates in history | 1.43 | 0.5 | 3009 | 45 |
| does halley's comet orbit the sun | 1 | 1 | 6557 | 88 |
