>>18383163Sunlight on Earth
>30,000 - 100,000 luxMoonlight on Earth
>0.05 - 0.3 luxSun-facing-earth-area
>127.5 mKm2Sun-facing-moon-area
>9.5 mKm2>The overall albedo of the Moon is frequently quoted as being about 7%>The NASA Moon Fact Sheet gives the visual geometric albedo of the Moon as 12%.> the CERES Earth orbiting satellite climate radiometers have measured the value to be higher and somewhere between 13.6% and 13.7%100,000 lux = 100,000 lumen/m2
>The moon and the earth both receive this.Total lumens striking the earth from the sun
>12.7 trillion lumensTotal lumens striking the moon from the sun
>~1 trillion lumensSome % of those lumens reflect to the earth and strike 126 mKm2 earth area.
> ~1tillion / 126m = ~8,000 lux.The moon shows no circular attenuation when viewed. To go from 8,000 lux to less than 1 lux is a factor of 8000 (0.01% albedo).
If we assume that the light reflects normal to the bulk surface, the moon can reflect ~1.9 degrees of its surface to the earth. This 1.9% however is also where the concentration of light should be the highest due to spherical attenuation and incident angle, but that is not what we see.
If we use a linear model with no incident effects, we can assume 1.9/180 = 1% of light reflected to earth.
So now we have 8000 lux* 1% area = 80 lux.
>80 / 0.3 = 266x error factorIf we assume 10% albedo
>8 lux / 0.3lux = 26x error factorEvery topic in cosmology is off by at least 2 orders of magnitude, just like this one.
>retard 
