Reidar (tillman1891)

Race #1801

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Official speed 54.21 wpm (71.72 seconds elapsed during race)
Race Start November 2, 2020 2:17:20pm UTC
Race Finish November 2, 2020 2:18:32pm UTC
Outcome No win (5 of 5)
Accuracy 94.0%
Points 56.01
Text #3622413 (Length: 324 characters)

The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.