Does Light Have Weight? The Physics Is Mind-Blowing

Can something with zero weight still push a spacecraft across the solar system? It sounds like a riddle, but it happens every single day — right above our heads. Welcome to FreeAstroScience.com , the place where complex science gets explained in plain language, just the way it deserves to be. I'm Gerd Dani , president of Free Astroscience — Science and Cultural Group, and I wrote this article…