July 1, 2009 — -- Pilots in the years after World War II used to think of the sound barrier as an invisible ... The phenomenon is called a vapor cone or a shock collar, and, if you want ...

The cloud is known as a vapor cone, or sometimes called a "shock ... Even so, it's not visual evidence that the plane is breaking the sound barrier, per the BBC: The vapour cones are created ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! Boom Supersonic's XB-1 jet flew in front of the sun so NASA could take this incredible shock wave photo ...

The moments when a jet fighter created a vapour cone as it approached the sound barrier have been captured in stunning detail in a set of photos - but it is not the moment the jet broke the sound ...

It takes anxious skill, precision, and a certain amount of luck to catch the split second when an airplane this effect - compressed air building up behind an aircraft before it breaks the sound ...

As the aircraft continues to speed up, the vapor cloud will appear farther toward the rear of the aircraft. Then, just as the aircraft bursts through the sound barrier, the air is locally ...

NASA?sgleaming new Ares I-X rocket grew an odd-looking hood Wednesday as it launchedskyward on a suborbital test flight ? a telltale sign of a rocket goingsupersonic. The hood wasactually a vapor ...

Under just the right conditions, this vapor cone shows up, often as a jet approaches the speed of sound, but other times even at lower speeds. In this case, he’s probably not going that fast ...

This incredible picture shows the exact moment a supersonic jet flying at 770mph broke the sound barrier. It was captured ... Super Hornet 2 jet with a vapour cone forming around it.

Extreme stuntman Felix Baumgartner plans to free-fall from more than 120,000 feet next week, becoming the first skydiver to break the sound barrier ... into a Mach cone that creates an enormous ...