親子觀星會

討論區 => 天文新知 => 主題作者是: peter 於 2020-07-12 14:52:31

主題: Not all planets orbit in the same direction as their stars rotate. A nearby coun
作者: peter 於 2020-07-12 14:52:31

https://skyandtelescope.org/astronomy-news/star-planet-alignment/