. (ggsnipes)

Race #251

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Official speed 77.70 wpm (50.04 seconds elapsed during race)
Race Start April 9, 2018 7:08:07am UTC
Race Finish April 9, 2018 7:08:57am UTC
Outcome Win (1 of 5)
Opponents 5. chepchombir (58.51 wpm)
Accuracy 98.0%
Points 80.29
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.