Birdwatch Note Rating
2024-05-12 13:44:04 UTC - HELPFUL
Rated by Participant: 2BCE8187318D1998C9B3FC2E992055094B12ECF08F62DACC45BD0D81F38B310C
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Original Note:
There are several free apps to identify planes in the sky above you. Passenger planes all have jet engines that produce water vapour as a product of combustion. When this condenses it produced contrails (condensation trails). https://www.yahoo.com/lifestyle/identify-planes-sky-120001047.htm https://cimss.ssec.wisc.edu/wxwise/class/contrail.html
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