This altitude is where airplanes ... At this height, passengers could see the curvature of the Earth and the dark expanse of space above. Flying at high altitudes allows pilots to take advantage ...

Able to loiter above 60,000 feet, the General Dynamics RB-57F Canberra was ideal for high-altitude scientific ... magnetic pathways around the curvature of Earth and enters the atmosphere at ...

NASA's massive super-pressure balloon has completed a 16-day trip around the Southern Hemisphere — a milestone in high-altitude flight and atmospheric research.

The U-2 is notable for its extremely high service ceiling of about 70,000 feet—high enough to see the curvature of the Earth ... U-2’s flight controls were calibrated for high-altitude ...

Regardless, we’ve had balloons a good century earlier than winged flight, if not longer. While the device is deceptively simple, it is possible to get a balloon to very high altitudes without a ...