Revision history of "Helpful Formulae"

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  • (cur | prev) 14:36, 7 February 2019Jmh921 (talk | contribs). . (385 bytes) (+385). . (Created page with " ===Diffraction of Light=== θ = 1.22λ/D Where: *λ is the wavelength of light in nanometers (nm) *D is the aperture of the telescope in millimeters (mm) *θ is the smalle...")