| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| known planets in the universe | 0.11 | 0.2 | 86 | 61 |
| smallest known planet in the entire universe | 0.8 | 0.7 | 8175 | 85 |
| how many planets are in the known universe | 1.61 | 0.3 | 4981 | 90 |
| farthest known planet in the universe | 1.66 | 0.4 | 1461 | 13 |
| all known planets in the universe | 1.08 | 0.1 | 6537 | 85 |
| biggest known planet in the universe | 1.49 | 0.8 | 1847 | 17 |
| largest known planet in the universe | 0.61 | 0.8 | 809 | 53 |
| how many planets in the known universe | 0.76 | 1 | 9764 | 12 |
| smallest planet in the | 1.46 | 0.3 | 3501 | 40 |
| smallest planet in the world | 0.68 | 0.5 | 6489 | 14 |
| what planet is the smallest | 1.11 | 0.6 | 3983 | 3 |
| what's the smallest planet | 1.25 | 0.6 | 2505 | 41 |
