Why is there a trace in the sky after the plane?

a trace in the form of a white strip remains of the exhaust gases coming out of the tube. so the gas temperature greatly exceeds the air temperature, vapors remain in the form of a white trace. over time they disappear



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.