Using The Telescope Essay

Newton’s Telescope Project Report

Introduction

One of the outcomes of the Newton’s work was the development of the reflecting telescopes. In essence, the earliest telescopes such as the one used by Galileo consisted of the glass lenses mounted in a tube (Jenny, et al. 12). Further, Newton discovered that when light passed through a lens, the different colors were refracted by differing amounts. In solving this problem of the chromatic aberration, Newton designed a telescope that used mirrors, rather than lenses, to bring the light to a focus. Further, the light from the object being viewed is collected by the concave primary mirror and reflected a smaller secondary plane mirror. Furthermore, the mirror is inclined at 45 degrees to the axis

Perhaps the greatest contribution to the astronomy was the intervention of the reflecting telescope. Further, he analyzed the properties of glass and came to the conclusion that refracting telescopes would always suffer from the noticeable aberrations. Further, the fundamental problem was the chromatic aberration. It arises from the prism-like effect, as light passes through a lens and is bent. Besides, every wavelength of the light is bent by the different amount. In essence, the red light appears to be bent more than the blue

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