hi piersdad

the image I had in mind is a NASA image called Earthlights - have you seen it? :huh:

it is both beautiful, and gives pause to consider the spread of urban impact - there have been a number of studies done on thermal minima increases in urban environments...

My question is whether posting a link, and saying a few words about it, is okay etiquette here at UT; or whether it would be frowned upon because it is not my own pic, nor strictly a pic of space (it is a compilation of satellite data)... :unsure:

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