This is the Earth last Wednesday at 0.25º resolution (roughly 28 km per pixel at the equator): https://neo.gsfc.nasa.gov/servlet/RenderData?si=2050444&cs=r...
replyIt's dead.
replyYeah, it seems it's not permanent. You can go here: https://neo.gsfc.nasa.gov/view.php?datasetId=VIIRS_543D&date... and then click on the right side "0.25 degrees 1440 x 720".
replyWhat a shame. I had expected the Earth to last a bit longer.
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replyEarth is 12700 km in diameter, so such an image would be 688 pixels across.
replyBasically you won't be reading license plates but you'd see enough to identify evidence of very large scale construction, and with multiple images over time I bet you could draw even more conclusions.
We could make a license plate big enough that aliens could see it and know we are sophisticated.
replyNah, let's just put a big sign "Kilroy was here", so they don't bother with the "mostly harmless" planet.
replyThat's phenomenal. This would bring us so much fascinating information.
replyEnough to see cities
replyA more cautious civilization might take measures to prevent emissions. There's potentially great value in remaining unnoticed.
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