A telescope is a tool that astronomers use to see faraway objects.

telescopes, work by using curved mirrors to gather and focus light from the night sky. bigger the mirrors or lenses, the more light the telescope can gather. Light is then concentrated by the shape of the optics.

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Refracting telescopes have a curved lens at one end that focuses the light down a long tube towards a second lens, called the eyepiece, which magnifies the image. ... Reflecting telescopes use mirrors instead of lenses to collect light

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There are two main types of optical telescope - reflectors and refractors. Reflectors use a mirror to collect the light, whilst refractors use a lens.

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A telescope is a tool that astronomers use to see faraway objects. Most telescopes, and all large telescopes, work by using curved mirrors to gather and focus light from the night sky. ... The bigger the mirrors or lenses, the more light the telescope can gather. Light is then concentrated by the shape of the optics.

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