In single-telescope astronomical systems, either optical or radio, the
A) longer the wavelength, the sharper the image.
B) smaller the main mirror or lens or radio dish aperture in general, the sharper the image.
C) larger the main mirror or lens or radio dish aperture in general, the sharper the image.
D) longer the focal length of the primary mirror or lens or radio dish, the sharper the image.

Question

Quizplus · Accepted Answer

Larger apertures in telescopes (optical or radio) allow for better resolution and sharper images because they can collect more light and have a smaller diffraction limit, leading to improved image sharpness.

In Single-Telescope Astronomical Systems, Either Optical or Radio, the