Text posted with the May 20 Facebook video said: “Compilation footage of 120,000k+ ft high altitude balloon shows a completely flat horizon proving the flat Earth and completely destroying the ...

Amateur astronomers and even high-altitude balloons show the same curvature. Response: The horizon appears flat because of human perspective and scale. However, from higher altitudes — such as ...

It didn’t take long for my body to recognize the sudden lack of oxygen, reminding me that the effects of altitude are very real. Despite well-established literature on the impacts of high ...

This is because the length of the horizon that we see depends on how high we are above Earth’s surface. Standing on the ground with nothing blocking our vision, our eyes can see about 3 miles (4 ...

Jason Krueger says his company StratoStar in Fishers, Indiana, has helped students and companies to launch more than 1,000 high-altitude balloon missions since 2006. Student projects have included ...

US airspace is no stranger to voluminous, slow-moving objects. High-altitude balloons are used for a vast array of authorized purposes in the public and private sectors, such as monitoring the ...

If they stay around Denver, the altitude could help save gas as Denver is a mostly flat city that’s already at a high elevation. “It’s complicated. Many factors influence fuel economy ...