What is the structural difference between an astronomical mirror and a household one?
September 21, 2020 | Education
| For a household mirror, the main thing is to preserve the reflective coating from mechanical damage, so the amalgam is applied to the back surface of the glass. The astronomical mirror should not have additional optical parts, on which the luminous flux is lost and the image is distorted. Therefore, a reflective coating is applied to the mirror surface facing the light rays.
