what are the difficulties in using ground based optical telescopes?
How are they overcome?
Answers
The difficulties in using ground based optical telescopes is that environment which preserves life on Earth also intervenes with a telescope’s image quality. The components and particles in the Earth’s environment curve the light so that pictures discovered from observatory telescopes seems to be blurred.
It can be recovered by Hardware-oriented reconstruction methods which are based on adaptive optics and wave-front sensing. Image-processing-based techniques comprise of speckle-imaging methods and hybrid imaging procedures which use ingredients of image reconstruction.
The difficulties faced in using ground based telescopes due to which it does not make good quality observations are: Intensity of light rays reaching the Earth's surface decreases as some of the light is absorbed by the atmosphere.
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