Claim: An image shows two different trails left by planes. The short one is a contrail, while the longer one, where the "trail extends for miles" and "lasts for 'hours", is a 'chemtrail'.
Fact-check: Longer lines behind planes don't indicate 'chemtrails' - Full Fact
Verdict: this isn't the case. both images show contrails—water vapour left behind planes. both their size and the amount of time they remain visible differs depending on atmospheric factors, such as humidity.
Organisation: Full Fact
Author: Charlotte Green
Date published: 2024-04-30T00:00:00