University of Nottingham astronomers talk about telescope diameter, and how the size and quality of a telescope's mirror determine what we see when looking through it. Offers a look at the opportunities offered by the "Extremely Large Telescope", which will be built with a lens over forty meters in diameter. [8:31]

Concepts

telescopes

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Additional Tags

telescope diameter, telescope size, telescope

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)

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