Surface reflectivity

Surface reflectivity refers to how much light or radiation a surface bounces back when it hits it. Think of it like a mirror reflecting images; a highly reflective surface, like polished metal or water, sends most of the light back. In contrast, a dull or dark surface, like asphalt or a forest floor, absorbs more light and reflects less. Reflectivity affects things like climate (how much heat a surface retains), optical devices, and weather satellites. It's usually measured as a percentage, with 100% meaning all light is reflected and 0% meaning none is reflected.