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Light Pollution in LA - 100 years

October 19th, 2008 | No Comments | Posted in Physics Talk

light_pollution_LA_1908

Year : 1908
Population: 350,000
A dark countryside surrounded Los Angeles and Pasadena in a view from Mount Wilson.

light_pollution_la_2008

Year: 2008
Population 5,000,000
A see of brightness!