[AZ-Observing] Census Dotmap and Light Pollution

  • From: Tom Polakis <tpolakis@xxxxxxx>
  • To: AZ-Observing@xxxxxxxxxxxxx
  • Date: Mon, 31 Dec 2012 15:20:09 -0500

This is only sort of on-topic for this list, but it sure looks like a light 
pollution image.  In fact, it's a representation of the 2010 census data as 
308,450,225 individual dots.  Zoom in, and it becomes a sort of grayscale image 
of population density.



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