| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what galaxies do we know of | 0.54 | 0.9 | 1360 | 60 |
| how many galaxies do we know of | 0.31 | 0.7 | 4928 | 68 |
| how do we know there are other galaxies | 1.69 | 0.9 | 866 | 82 |
| how do we know of other galaxies | 0.48 | 0.4 | 7460 | 27 |
| how do we know other galaxies exist | 0.28 | 0.3 | 572 | 92 |
| how do we know galaxies exist | 0.67 | 0.4 | 9952 | 86 |
| galaxies we know of | 0.58 | 1 | 7386 | 66 |
| how many galaxies do we know exist | 1.58 | 0.1 | 8097 | 20 |
| how many galaxies are there that we know of | 1.68 | 0.8 | 3415 | 56 |
| how do we know how many galaxies there are | 1.03 | 1 | 7092 | 46 |
| how many galaxies we know | 1.94 | 0.4 | 9233 | 23 |
| how many galaxies are we aware of | 1.37 | 0.8 | 4705 | 75 |
| how many galaxies do scientist think exist | 1.04 | 0.5 | 195 | 28 |
| how many galaxies are | 0.48 | 0.7 | 9837 | 4 |
| how many galaxies exist | 1.73 | 1 | 6361 | 13 |
| how many galaxies are estimated to exist | 0.06 | 0.3 | 3083 | 13 |
| how many estimated galaxies exist | 0.89 | 0.7 | 2623 | 40 |
| how many galaxies have been observed | 1.1 | 0.9 | 7157 | 31 |
| how many galaxies have been identified | 0.68 | 0.3 | 5152 | 98 |
| about how many galaxies in the universe | 0.21 | 0.7 | 2285 | 47 |
