New Delhi, Nov. 2 -- A breathtaking video shared on Instagram has left viewers astounded, showing what a "Boeing 747" looks like cruising through the sky at nearly "900 km/h (around 560 mph)". The clip captures a rare view from another aircraft, revealing the giant jet slicing effortlessly above the clouds - with white trails stretching out behind it.

At first glance, many thought the scene looked almost otherworldly, or even AI-generated, but what's being seen is pure aviation physics in action. The Instagram user who goes by the name 'Wealth' explained that the bright streaks, often mistaken for 'chemtrails', are actually condensation trails, or contrails. These form when the hot exhaust gases from the engines meet the freezing air at ...