Tag Archives: Rayleigh criterion

Radiotelescopes

Radiotelescopes detect radio waves, produced for example from the interactions of charged particles with magnetic fields. Radio waves interact with matter in a different way than visible light, so radiotelescopes are different from optical telescopes. The strength of a radio source … Continue reading

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Quality of seeing

Resolution: There is a problem of interference given the wave nature of light. It is analogous to the interference pattern caused by a single slit. f = focal length D = width of the slit m = positive integer. 1, … Continue reading

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