It’s also a bit precarious.
但这颗行星同时也潜伏着危机。
“If the planet was further away from the most massive star in the system, it would be kicked out of the system,” Dr. Daniel Apai, assistant professor of astronomy and planetary sciences at the university and co-author of the paper, said in a news release.
丹尼尔·阿派博士是这所大学天文与行星专业的助理教授,同时也是这篇文章的联合作者,他在报道中称:“如果HD 131399Ab行星离星系中最大的行星再远一点的话,它就会被踢出这一星系。”
“Our computer simulations have shown that this type of orbit can be stable, but if you change things around just a little bit, it can become unstable very quickly.”
“我们做出的电脑模拟效果图显示,这一星系的运行轨道一般来说是稳定的,但是一旦其周围的物体发生变动,它就会瞬间变得不稳定。”
Stable or not, HD 131399A is fascinating to astronomers in part because it helps fill in gaps in our knowledge of how planets form and change orbit.
无论稳定与否,HD 131399A星系对天文学家们有着巨大的吸引力,一部分是因为它的发现填补了我们现有知识的一处空白,即行星如何形成以及如何变动轨道。
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