Rocket News 24 tells us about Twitter user @KAGAYA, a photographer, who snapped this incredible photo and others at just the right moment. The jet went through a vapor layer when the light was ideal to reflect a rainbow....
https://www.neatorama.com/2016/05/12/Rainbow-Contrail/
Rainbow Contrail
Bicycle Contrails
Contrail is a fun little gadget developed by Studio Gelard... ...As more an more bikers ride on the same path, the contrail lines get brighter. Ostensibly, they say that the... ...ike Skittles rainbow.http://gelardi.com/portfolio/ contrail / - via Gadget Lab
https://www.neatorama.com/2009/04/11/bicycle-contrails/
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