John666695 (john666695)

Race #1377

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Official speed 103.42 wpm (37.59 seconds elapsed during race)
Race Start November 1, 2018 3:54:58am UTC
Race Finish November 1, 2018 3:55:36am UTC
Outcome No win (1 of 1)
Accuracy 98.0%
Points 106.87
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.