Steve --

Thank you!  A truly amazing image.

I see a couple of remarkable things.

1.  Note the Suez canal, a brilliant trace of light from the
Med on South.

2.  I don't see an equivalent artifact for the Panama
canal???

3.  The polar areas are marked by deep blue/violet colors. 
Is this a product of the imaging process (perhaps due to the
temperature of the polar ice regions) ?

	Bob Smith


Steve Hammond wrote:
> 
> Wow!  Check this out. I'm sure there is some use for it in seismology.
> Be sure to scroll to see it all.
> 
> http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights_dmsp_big.jpg
> 
> Regards, Steve Hammod
> PSN Aptos, CA
> 
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