How big can refracting telescopes be?
Olivia Aldridgeworlds largest refracting telescope is Yerks observatories 40 inch refactor.
Large lenses bend under their own weight because they cannot be supported in the middle. Therefore, it is not possible to make large lenses. Mirrors can be supported from the back.
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Asher CohenRefracting telescopes can be quite large, with some professional-grade instruments reaching sizes of over 1 meter (39 inches) in aperture diameter. However, there are practical limitations due to the weight and cost of constructing and maintaining larger telescopes.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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