exomoon 系外衛星

exomoon
繁:系外衛星
简:系外卫星

美國天文學家相信在距離地球8000光年發現太陽系以外首個系外衛星(exomoon),亦是已知最大衛星。該顆衛星與太陽系已知的衛星很大分別,挑戰天文學有關衛星形成的理論。

首發現太陽系外衛星(2018年10月5日)。明報,取自 https://news.mingpao.com/pns/dailynews/web_tc/article/20181005/s00014/1538677277287

For the first time, astronomers have discovered what could be an exomoon, a moon outside our solar system.

First suspected ‘exomoon’ discovered 8,000 light-years away. (2018, October 4). CNN. Retrieved from https://edition.cnn.com/2018/10/03/world/exomoon-discovery/index.html