Question

What is the Hubble telescope used for?

Answer 1

hope it will help you

Answer 2

Answer:

The two advantages of a reflecting telescope over a refracting telescope are as follows: (i) There is no chromatic aberration in case of reflecting telescopes as the objective is a mirror. (ii) Spherical aberration is reduced in case of reflecting telescopes by using mirror objective in the form of a paraboloid.