请帮我看下这句的结构

caicainiao

unlike the other major planets , Pluto has a highly eccentric and is thus closer to the sun than nepture is far 20 years out of every 230 year cycle , even though it is commonly descriebed as the remotest planet in the solar system .


第二个IS 前面是不是省了一个THAT ， 限定性修饰NEPTURE的

James

这个题我觉得你把题目写错了
所以我也不能对这个that妄加判断