A mixture of meteoritic water and cometary water would not work either because this combination would still contain a higher concentration of deuterium than is found in the oceans.
A mixture of meteoritic water and cometary water would not work either because this combination would still contain a higher concentration of deuterium than is found in the oceans.
陨星水和彗星水的混合也不可能提供地球上的全部水源，因为这种混合水与现在的海水相比，仍然有着较高的氖含量。