最近，一些研究人员声称发现了这样的流浪行星。
Recently, some researchers even claimed to have detected such rogue planets.
流浪行星在星系中游走这个概念并没有它听起来那么难以捉摸，与其他星球或流星的引力之战很有可能使该星球脱离太阳系。
The idea of rogue planets wandering the galaxy is not as far-fetched as it may sound. Gravitational tugs-of-war with other planets or passing stars can boot a planet out of its solar system.
海德堡大学的天文学家JoachimWambsganss并没有参与研究，但是他说，证明新行星确实都是“流浪星”的研究之路任重而道远。
University of Heidelberg astronomer Joachim Wambsganss, who was not involved in the research, said more studies will be needed to confirm that the new planets are indeed drifters.
海德堡大学的天文学家JoachimWambsganss并没有参与研究，但是他说，证明新行星确实都是“流浪星”的研究之路任重而道远。
University of Heidelberg astronomer Joachim Wambsganss, who was not involved in the research, said more studies will be needed to confirm that the new planets are indeed drifters.
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