|
主題: 我們只知部份銀河系 作者: peter 於 2017-11-02 07:33:27 http://www.physics-astronomy.com/2015/04/this-map-shows-just-how-little-we-know.html
(https://2.bp.blogspot.com/-PJF1qxPGMxM/VS_nin9kIXI/AAAAAAAAEks/ZBbAtQG0lMc/s1600/1209989988988995725.jpg) (https://futurism.com/wp-content/uploads/2015/10/Kepler-Yellow-Cone.jpg) |