State the difference between optical and non-optical telescopes?
an optical telescope only detcts visible light and sends it to an eyepiece for you to look through or attatch a camera. nonoptical telescopes sense other things on the radiometric spectrum, like: radio waves, gamma rays, infared, ultraviolet waves, ect; and sends them to a computor. COBE, for example is a nonoptical telescope. it detects background radiation from the big bang. ...