| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| extraterrestrial life is defined to be | 1.26 | 1 | 414 | 86 | 38 |
| extraterrestrial | 1.34 | 0.9 | 4600 | 5 | 16 |
| life | 0.69 | 1 | 3841 | 30 | 4 |
| is | 0.38 | 0.2 | 5585 | 25 | 2 |
| defined | 1.68 | 0.8 | 1755 | 30 | 7 |
| to | 0.33 | 0.7 | 3495 | 36 | 2 |
| be | 0.03 | 0.8 | 1234 | 52 | 2 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| extraterrestrial life is defined to be | 1.16 | 0.8 | 9852 | 18 |
| extraterrestrial life or alien life is life | 0.33 | 0.9 | 424 | 42 |
| extraterrestrial life or alien life is | 1.22 | 0.2 | 3722 | 27 |
| is there extraterrestrial life | 0.21 | 0.2 | 3928 | 49 |
| existence of extraterrestrial life | 0.64 | 0.4 | 4096 | 70 |
| extraterrestrial life does exist | 0.15 | 0.5 | 1264 | 59 |
| extraterrestrial life or alien | 0.23 | 0.9 | 8760 | 80 |
| facts about extraterrestrial life | 0.34 | 0.4 | 3652 | 27 |
| is extraterrestrial life unknown | 1.58 | 0.6 | 1611 | 50 |
| is extraterrestrial life unclear | 1.96 | 0.8 | 7768 | 65 |
| is extraterrestrial life real | 1.8 | 0.5 | 8864 | 35 |
| science of extraterrestrial life | 0.23 | 0.5 | 7696 | 55 |
| articles on extraterrestrial life | 0.93 | 0.6 | 6778 | 22 |
| what is an extraterrestrial | 0.78 | 0.2 | 7029 | 62 |
| extraterrestrial definition in biology | 1.1 | 0.1 | 1801 | 19 |
| extraterrestrial definition in science | 0.77 | 0.7 | 9643 | 85 |
