looking at NASA night vision of the planet Earth shows a bright patch of light for each of the capital cities in my part of the world ( Australia ), as expected BUT in the centre there are many patches that are larger than the coastal capitals. The population in these areas is measured in thousands of sq kilometres per person. Look at the Northern Territory border with Western Australia in the vicinity of Purnululu (The Bungle Bungles ) in Google Earth and view the Panoramio pictures around that area then go to the night view. You will clearly see that there is no way that there is that much light in that entire region. Are these images generated by infra red? There are no such light spots in other deserts, maybe they are cold at night where the Oz outback is still hot?Any thoughts?
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