Monthly Archives: February 2017

Why Planes Leave Trails in the Sky?

Contrails, chemtrails, or smoke: What are those white trails left by planes? Have you ever looked up in the sky after a plane flew by and noticed the trail of what looks like it could be smoke, and wondered why some planes leave those trails while others don’t? Perhaps you have heard the misused term ‘Chemtrail’ used by those in some circles who believe in the conspiracy that those trails of what look like smoke from the ground are dangerous, purposefully emitted poisons from the government. In reality though, these benign cloud-like lines left in the sky by passing ...