“如果这个最大的未被发现的‘同伴’只有海王星那么大，或者更小，大部分行星科学家都不会感到惊喜，但是如果是木星那么大的暗星体，那将是一个惊喜，”马泰赛告诉SPACE.com太空网。

'Most planetary scientists would not be surprised if the largest undiscovered companion was Neptune-sized or smaller, but a Jupiter-mass object would be a surprise, ' Matese told SPACE.com

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