Title Text:Type II Kardashev civilizations eventually completely enclose their planetary system in a Dyson sphere because space is way too big to look at all the time. Origin:https://xkcd.com/975/ https://www.explainxkcd.com/wiki/index.php/975:_Occulting_Telescope Cueball将遮蔽恒星的有用实践超出其预期目的。在天文学中使用遮蔽来阻挡来自观测星的光，以便可以更容易地检测和检查相邻的暗物体，例如任何周围的太阳系外行星。这是指为詹姆斯·韦伯太空望远镜（James Webb Space Teles… Read more