| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| why extraterrestrial life does exist | 1.11 | 0.1 | 5019 | 30 | 36 |
| why | 1.17 | 0.5 | 2473 | 45 | 3 |
| extraterrestrial | 0.81 | 0.1 | 3013 | 52 | 16 |
| life | 1.4 | 0.1 | 1120 | 52 | 4 |
| does | 0.6 | 0.5 | 1596 | 80 | 4 |
| exist | 0.93 | 0.1 | 3528 | 57 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| why extraterrestrial life does exist | 1.98 | 0.9 | 1166 | 38 |
| is extraterrestrial life possible | 1.96 | 0.8 | 1959 | 30 |
| the possibility of extraterrestrial life | 0.81 | 0.9 | 436 | 9 |
| articles on extraterrestrial life | 1.94 | 0.3 | 8942 | 99 |
| facts about extraterrestrial life | 0.68 | 0.9 | 9030 | 51 |
| extraterrestrial life or alien life | 1.88 | 0.8 | 1203 | 70 |
| is there evidence of extraterrestrial life | 1.77 | 0.1 | 8362 | 73 |
| is extraterrestrial life unclear | 1.8 | 0.3 | 6030 | 68 |
| is extraterrestrial life unknown | 1.75 | 1 | 537 | 29 |
| is extraterrestrial life real | 0.68 | 0.9 | 1262 | 11 |
| extraterrestrial life or alien | 1.8 | 0.1 | 1652 | 78 |
