Thực đơn
2021_RS2Thực đơn
2021_RS2Liên quan
2021 RS2Tài liệu tham khảo
WikiPedia: 2021_RS2 https://www.cnet.com/news/earth-just-had-its-close... https://live-feeds.com/asteroid-rs2-is-the-next-sp... https://newsfounded.com/chinaeng/asteroid-2021-rs2... https://nypost.com/2021/09/09/small-asteroid-misse... https://remonews.com/indonesiaeng/asteroid-2021-rs... https://minorplanetcenter.net/mpec/K21/K21RE1.html https://watchers.news/2021/09/08/asteroid-2021-rs2... https://earthsky.org/space/small-asteroid-skimmed-... https://www.spacereference.org/asteroid/2021-rs2 https://www.southwalesargus.co.uk/news/19575466.rs...