Contrail

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Contrails (; short for "condensation trails") or vapour trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several kilometres/miles above the Earth's surface. They are composed primarily of water, in the form of ice crystals.

Excerpt from the Wikipedia article “Contrail”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Adrian Pingstone Arpingstone, Public domain, via Wikimedia Commons.