What Is the Diffraction Limit of a 4-M Telescope Observing

question 77

Essay

What is the diffraction limit of a 4-m telescope observing at a wavelength of 650 nm?

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Definitions:

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A public service announcement (PSA) is a message broadcasted to the public to inform about and promote awareness on important social, health, or safety issues.

Smokey the Bear

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Forest Fires

Uncontrolled fires in areas of combustible vegetation, often exacerbated by dry conditions, lightning, or human activities.

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