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- Mon Oct 06, 2008 5:39 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Earth at Night, Global Economics Remote Sensing (05 Oct 08)
- Replies: 25
- Views: 8283
Remote Sensing of Global Economics
Every time I see the image of earth at night, I'm struck by what it reveals about wealth. The brightness of an area is proportional to the population times the average affluence of the people. In other words, the total weath of the region. Obviously, the measurements are not perfect. I certainly isn...