| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how many nebulae in the universe | 0.59 | 0.8 | 395 | 25 |
| how many nebulae are there in the universe | 1.93 | 0.2 | 1411 | 66 |
| how many nebulae are in the universe | 1.82 | 1 | 1367 | 88 |
| how many nebula are in our galaxy | 0.5 | 0.2 | 9841 | 36 |
| how many stars are in a nebula | 0.67 | 0.1 | 6645 | 85 |
| how many types of nebulae are there | 0.17 | 0.7 | 236 | 57 |
| nebulae in the universe | 1.08 | 0.1 | 2624 | 9 |
| how many types of nebula are there | 0.17 | 0.4 | 7109 | 1 |
| all nebulae in space | 1.55 | 0.4 | 5760 | 75 |
| list of nebulae in space | 1.6 | 0.8 | 1819 | 52 |
| nebula in the universe | 1.82 | 0.9 | 9091 | 5 |
| pics of the universe nebulas | 1.99 | 0.2 | 6228 | 19 |
| how large are nebulae | 0.03 | 0.3 | 5594 | 35 |
| complete list of nebulae | 1.18 | 0.9 | 8011 | 75 |
| is there more than one nebula | 1.04 | 1 | 1415 | 40 |
| list nebulas in space | 1.61 | 0.7 | 9391 | 14 |
| how big are nebulas | 0.41 | 0.2 | 7423 | 69 |
| how large are nebula's | 1.83 | 1 | 9170 | 9 |
| how large is a typical nebula | 0.66 | 0.4 | 6337 | 29 |
| what is the size of a nebula | 1.89 | 0.3 | 1849 | 100 |
| general size of a nebula | 0.97 | 0.3 | 6951 | 92 |
