👉 In physics and astronomy, "heliotyped" refers to a phenomenon where light is emitted from an object that is not directly in front of it, but rather it's being reflected or scattered by the surface of another object. This phenomenon can be observed on Earth, as when sunlight hits rocks or other surfaces that are not directly facing the observer, and light is refracted or bent to reflect off the surface. The term "heliotyped" comes from the Greek word "helios", which