Seed of humanity

They open the door once more but they wear light heat-resistant Gear, fortunately the air is breathable and the gravity is somewhat good. There seems to be animals on this planet but they may be hostile. So throughout the next week they build a tall fence made out of the alien trees and fibre and small huts for each couple. The next week, the babies from those that reproduced in the spaceship came to life. The two babies had birth defects for some reason. And were estimated to live for only about 3 years. [Radiation]. They are tired and its starting to get dark..