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Olber's Paradox

Olbers-paradox educational integration of equal-luminosity point stars in a uniform static Euclidean universe. Excludes absorption,occlusion,finite stellar lifetimes,redshift and expansion; not a real sky-brightness prediction and diverges with infinite radius.

Olbers-paradox educational integration of equal-luminosity point stars in a uniform static Euclidean universe. Excludes absorption,occlusion,finite stellar lifetimes,redshift and expansion; not a real sky-brightness prediction and diverges with infinite radius.

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Result

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How to use this tool

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Calculation method

Unobscured model sky radiancedensity*luminosity*radius/(4*pi*3.0856775814913673e16^2)
All-sky sum of point-source fluxesdensity*luminosity*radius/3.0856775814913673e16^2
Radiance contribution per1pc shelldensity*luminosity/(4*pi*3.0856775814913673e16^2)

References