It is so far from the sun that it takes 248 years to make one orbit.
它距太阳非常远，需要248年才能绕一圈。
However, if a star with planets captures another one, then one of its existing planets must change its orbit, and this could make the system unstable.
然而，假如一颗已有行星伴随的恒星再要捕获另一颗行星，那么已有行星中的一颗便会改变它的轨道，而这样的结果将会导致系统不稳定。
Make one more orbit to the left again.
左转弯再盘旋一圈。
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