幸神星是太阳系奥尔特云内的一颗假设的气态巨行星的昵称。
Tyche is the nickname given to a hypothesized gas giant planet located in the Solar System's Oort cloud.
他们提到，假如幸神星的确存在，那么应能在NASA的大视场红外巡天探测者(WISE)望远镜观测到的数据中找到它。
They noted that if Tyche exists, it should be detectable in the archive of data that was collected by NASA's Wide-field Infrared Survey Explorer (WISE) telescope.
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