Under certain atmospheric conditions, these wispy trails of condensed water vapor can spread out to form contrail cirrus ...

The "Contrail Cirrus Prediction Tool" CoCiP has been developed to simulate contrail cirrus resulting from a single flight as well as from a fleet of cruising aircraft, flight by flight, regionally or ...

A conspiracy theory that airplanes are leaving nefarious “chemtrails” in their wake due to a sinister government plot has ...

In other words, these contrails can also play a role in raising (already rising) temperatures. That’s according to reporting from the MIT Technology Review, which notes those cirrus clouds ...

In ice-supersaturated regions of the atmosphere, these crystals grow, and the contrail can persist and expand into an aircraft-induced cirrus cloud. During the day, this thin layer of cirrus ...

You can also see a shadow being cast on the cirrus clouds in the photo. But they're not being cast by light from below -- it's being cast because of light from the moon. The contrail is higher ...

and the effect of contrails and contrail cirrus clouds. Their studies have shown that only a third of the climate impact of air traffic is due to carbon dioxide emissions. By 2018, global air ...

A common claim made by believers is that chemtrails can be distinguished from normal contrails “because they ... and dissipate into cirrus clouds”, said National Geographic.