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What is the difference between a reflecting and refracting telescope?

  • Reflecting uses mirrors, refracting uses lenses

  • Reflecting uses glass, refracting uses plastic

  • Reflecting uses small lenses, refracting uses mirrors

  • No difference

Answer

Reflecting telescopes use mirrors to collect and focus light, while refracting telescopes use lenses. Reflecting telescopes are typically larger and more expensive than refracting telescopes, but they can also produce higher-quality images. Refracting telescopes are more portable and less expensive than reflecting telescopes, but they are also more susceptible to optical aberrations.
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