As part of the inaugural Global Space Balloon Challenge, a group of Stanford students took this photo from just above the Earth using two high altitude balloons. With one of them perched slightly above the other, you can see the balloon braving the flight as the other captures this breathtaking view over California. […
Talk about taking balloon rides to the next level. This concept capsule could eventually take a crew of eight people to a height of 98,425 feet (30 km). From there, passengers would be able to see the curvature of the Earth — and even the blackness of space.
At the 21 mile (34 km) mark, things start to get a bit dicey for high-altitude balloons. The atmospheric air pressure is so low that the gas within the balloon expands. Causing this to happen.