Over nearly all that immense time, Earth's appearance would have changed very gradually.
Pendant presque tout ce laps de temps immense, l'apparence de la Terre n'aura changé que très progressivement.
Over nearly all that immense time, Earth's appearance would have changed very gradually.
Pendant presque tout ce laps de temps immense, l'apparence de la Terre n'aura changé que très progressivement.