You're just a piece of aluminium coated in some sort of magnetic substance in a server farm located in a country where the climate makes it economically viable to keep the machines atconstanttemperature.
Unlike large glass mirrors which are subject to the vagaries of humidity, thermal dynamics and constant deformation from gravity itself, liquid mercury which remains molten at room temperature can reflect as much as 75 percent of incoming starlight with little of the fuss associated with large conventional mirrors.