lost less water | 0.56 |
harbour substantial amo… | 0.38 |
expand out to wide spre… | 0.25 |
make up 99% of the | 0.25 |
search for water | 0.24 |
giant planets | 0.38 |
planet | 0.25 |
likely to be rocky | 0.43 |
composed of hydrogen | 0.38 |
composed of helium | 0.38 |