9 Metis 发布日期: 9 Metis is a large S-type asteroid in the asteroid belt. It was discovered in April 1848 by Andrew Graham. NOTE: Not to be confused with Jupiter's moon Metis. 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。