ANIMAŢIE. Ce sunt urmele lăsate pe cer de avioane, care i-au alarmat la conspiraţionişti

Recent, social media users expressed concern over unusual contrails left by airplanes, fearing they might contain harmful substances. Researchers from the Institute for Material Physics clarified that these trails are simply ice crystals formed from water vapor emitted by aircraft engines at high altitudes. The phenomenon occurs when planes fly at temperatures below -50 degrees Celsius, causing water vapor to freeze and create visible streaks in the sky. This explanation counters conspiracy theories, such as the 'chemtrails' theory, which resurfaces whenever atmospheric conditions lead to striking contrail displays. Pilots find these conspiracy theories to be unfounded and somewhat ridiculous.