48. 2022年2月05日 19:17:09 : wHtHsaA5ms : RU5Pc1lLc2o0Wm8=[1]
Speed of light (クリ）
In outer space, a mirror is floating and a light ray of a star is reflected. Generally, angle of incident light and reflected light will be different. Because the speed of both lights is different.
http://www.asyura2.com/0306/idletalk2/msg/1242.html#c48
題名には必ず「阿修羅さんへ」と記述してください。