Chemtrails After Plane Flights Don't Prove a Secret Chemical Program

Contrails left by jet aircraft at high altitude are formed by hot engine exhaust meeting very cold air, creating tiny ice crystals. This contrail is called a condensation trail. Depending on temperature, humidity, and wind, it can dissipate quickly or persist for many hours and spread out.

Contrails left by jet aircraft at high altitude are formed by hot engine exhaust meeting very cold air, creating tiny ice crystals. This contrail is called a condensation trail. Depending on temperature, humidity, and wind, it can dissipate quickly or persist for many hours and spread out.

Contrails left by jet aircraft at high altitude are formed by hot engine exhaust meeting very cold air, creating tiny ice crystals. This contrail is called a condensation trail. Depending on temperature, humidity, and wind, it can dissipate quickly or persist for many hours and spread out.

Contrails left by jet aircraft at high altitude are formed by hot engine exhaust meeting very cold air, creating tiny ice crystals. This contrail is called a condensation trail. Depending on temperature, humidity, and wind, it can dissipate quickly or persist for many hours and spread out.