| why are exoplanets important | 0.69 | 0.4 | 7786 | 28 | 29 |
| why is studying exoplanets important | 0.15 | 0.8 | 1676 | 36 | 14 |
| why do exoplanets exist | 1.37 | 0.3 | 9694 | 23 | 46 |
| what are exoplanets facts | 1.43 | 0.7 | 8660 | 25 | 28 |
| what is an exoplanets | 1.8 | 0.8 | 8817 | 21 | 19 |
| fun facts about exoplanets | 0.45 | 0.7 | 2252 | 26 | 48 |
| what is exoplanets in astronomy | 1.7 | 0.9 | 1167 | 31 | 66 |
| explain what an exoplanet is | 1.02 | 0.7 | 892 | 28 | 92 |
| can exoplanets support life | 0.36 | 0.2 | 9628 | 27 | 63 |
| the study of exoplanets | 0.79 | 0.1 | 1156 | 23 | 42 |
| what makes an exoplanet | 0.83 | 0.1 | 5080 | 23 | 97 |
| nasa overview what is an exoplanet | 0.78 | 0.3 | 9753 | 34 | 34 |
| how have exoplanets been studied so far | 0.71 | 0.1 | 4741 | 39 | 65 |
| life on an exoplanet | 0.25 | 0.8 | 1333 | 20 | 64 |
| what is an exoplanet nasa | 0.59 | 0.5 | 6724 | 25 | 73 |
| what is exoplanet means | 0.79 | 1 | 6264 | 23 | 47 |
