Adamatron
n-a-s-a:

Light Poles can be seen at nights over large cities with different colored lights. They can only be seen during very cold weather (the temperature of -20 Celsius degrees or lower is required), with minimal wind and plenty of tiny ice crystals in the atmosphere.
kurtbraunohler:


HOW DO I LAND?! Here’s a comp of the actual letters from the Cloud Project! The actual day had a very high winds, and the letters appeared and disappeared quite quickly. But if you watched the sky for 20 minutes you could probably piece it together. BUT STILL WE DID IT!!! Thanks to everyone who contributed! Photo by Robyn Von Swank!
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