We're unable to see your paper, and since you didn't offer any options, we're not able to guess what choices you have.
none as you have given no options
Ccd's and in large telescopes
Not necessarily.
Optical telescopes.
Yes, that is correct.
none as you have given no options
Radio telescopes collect radio waves. Optical telescopes capture visible light waves.
No they are not bigger then radio telescopes at all.
Ccd's and in large telescopes
Not necessarily.
Optical telescopes.
They are optical telescopes.
Yes, that is correct.
Radio telescopes collect radio waves. Optical telescopes capture visible light waves.
Basically, the catadioptric telescope is just one of the 3 main types of the optical telescopes.The other 2 main types of optical telescopes are the refracting telescopes and the reflecting telescopes.
Researchers use all of these: -- optical telescopes -- radio telescopes -- x-ray telescopes -- infra-red telescopes -- ultraviolet telescopes
aperture