Today's Astronomy Picture of the Day features a repeat of one of my all time favorites of theirs. It's a composite of satellite pictures of the earth at night. Of interest to me:
- Cities really stand out from countryside. This is a dramatic representation of where people are on the planet.
- In some ways it's also a map of wealth. Compare Europe and the eastern US with South America and Africa. Also compare North and South Korea.
- The upper Nile stands out like a string of Christmas lights. So does the Siberian railroad.
- Islands also pop out here. Hawaii is very easy to spot. So is Bermuda and the Seychelles.
- What a beautiful sight that must be from orbit!
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