Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-aviation-432dd2cca565

What are contrails?

Aerosols left by high-altitude jets that can form cirrus clouds.

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  1. Marks on runways
  2. Aerosols left by high-altitude jets that can form cirrus clouds ✔
  3. Trails left by boats

Why: High-altitude jets emit aerosols and leave contrails, which can increase cirrus cloud formation.

Huh, didn't know that: High-altitude jets emit aerosols and leave contrails, which can increase cirrus cloud formation.

The dad joke
Contrails draw the line.
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References

Answer: Aerosols left by high-altitude jets that can form cirrus clouds. High-altitude jets emit aerosols and leave contrails, which can increase cirrus cloud formation.

  1. Aviation en.wikipedia.org/wiki/Aviation
    emit aerosols and leave contrails, both of which can increase cirrus cloud formation
    Checked 2026-11-07.

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