| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| extraterrestrial life does exist | 0.61 | 0.9 | 8086 | 95 | 32 |
| extraterrestrial | 0.24 | 0.5 | 7881 | 11 | 16 |
| life | 1.3 | 0.9 | 4305 | 42 | 4 |
| does | 1.6 | 0.5 | 1220 | 63 | 4 |
| exist | 0.04 | 0.2 | 2527 | 36 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| extraterrestrial life does exist | 1.13 | 0.4 | 1373 | 69 |
| extraterrestrial life or alien life is life | 0.56 | 0.1 | 9910 | 74 |
| extraterrestrial life or alien life | 0.13 | 0.7 | 4069 | 92 |
| what do we know about extraterrestrial life | 0.58 | 1 | 3810 | 89 |
| is extraterrestrial life unclear | 0.71 | 0.6 | 2544 | 59 |
| facts about extraterrestrial life | 0.2 | 0.7 | 6612 | 93 |
| is extraterrestrial life real | 1.42 | 0.9 | 1124 | 88 |
| is extraterrestrial life unknown | 1.11 | 0.4 | 1220 | 75 |
| has extraterrestrial life been found | 1.09 | 0.8 | 1794 | 96 |
| is there evidence of extraterrestrial life | 0.49 | 0.9 | 1501 | 19 |
| articles on extraterrestrial life | 0.44 | 0.7 | 8598 | 69 |
| the possibility of extraterrestrial life | 1.21 | 0.5 | 3767 | 78 |
| have we found extraterrestrial life | 1.92 | 0.5 | 4648 | 41 |
| extraterrestrial life or alien | 1.52 | 0.6 | 4730 | 10 |
| do extraterrestrials really exist | 1.93 | 0.9 | 482 | 10 |
