Taking into account the different masses of the three planets, their atmospheric make-up and their distance from the sun, Barabash compared the rate of loss of oxygen ions from each one.

• 考虑到这三个行星具有不同的质量，不同的大气的组成和与太阳之间的距离，巴拉瓦什比较了这三个行星上氧离子的消损速率。