K2-415 作者:Karistus 发布日期: K2-415, aka TOI-5557, is a red dwarf located about 71.12 lightyears from the solar system. A single Earth-sized planet is known to orbit this star. 点击这里帮助我们翻译这个页面。 在 Celestia 中打开(推荐) 或者 下载 如何安装插件?在这里获取指导。