👉 "Eched" is a term in the context of astronomy and space exploration. It refers to the process by which celestial bodies are illuminated or illuminated from behind an object, such as a planet, moon, or star. In simpler terms, it means that light or other forms of energy can be reflected off the surface of another celestial body and then directed towards our own planet, causing us to see the same thing we would have seen if we were closer. The term "eched" is often