To be able to supportlife, the new planet would need not only to have water, but it would also need to be solid.
为了能够维持生命,这个新的星球不仅要有液态水,而且它的土表还必须是固态的,就像地球这样。
3
Earth has been able to supportlife because its position relative to the Sun provided it with enough heat, but not too much heat for early bacteria to evolve.