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Why doesnt the surface of a radio telescope have to be as flawless as the surface of a mirror in an optical telescope?
Wiki User
∙ 13y ago
The surface of a radio telescope doesn't have to be as flawless as the surface of an optical telescope because the radio telescope is collecting radio waves, something that will not be affected by faults in the glass. Optical telescopes, on the other hand, are collecting light, where faults in the surface can interfere with the image.
Wiki User
∙ 13y ago
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