Our National Parks, Part II
With the kickoff of Ken Burn's documentary series, we continue our
highlight of a few of our nati...
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Earth at Night


This intriguing map reveals in stunning detail the pulsating lights of the Earth at night. See where populations are most and least concentrated. The rare view is a composite image made by three satellites on cloud-free nights over a one-year period. In addition to showing lighted areas of the Earth, this map also features where fires rage and natural gas burn-off and night fishing locations.



