Observatories and telescopes - P7 Topic 1

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Telescopes allow us to see things which can not be seen by the naked eye, they help give vital proof and information about what is out there in space. They work using lenses to help magnify the subject. A Dutch inventor called Hans Lippershey was the first man put together 2 converging lenses together. However Galeliao was the first man to make the worlds first telescope as we know it. These telescopes are made up with two lenses, the eye piece and objective lens.

The focal length is…


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