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Grades

6-12

Accessibility

Textual, Visual

Permitted Use

Stream Only


Part of

NOVA

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The Beginnings of the Telescope

This animated essay from NOVA details the design and workings of Galileo's refracting telescope and Newton's reflecting telescope. Newton recognized several shortcomings of the refracting telescope's design and used mirrors in place of lenses to overcome them.

Learn more here.

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