The unknown crackling could be the sound of distant thunderstorms, falling meteors, or turbulence. Listen to the sounds a balloon hears 12 miles above Earth: from ocean waves to volcanic eruptions.
NASA is about to launch a flock of giant balloons from Antarctica to the edge of space – for science, of course. On December 1, as part of NASA’s annual Antarctic Long Duration Balloon Campaign, teams ...
Daniel Bowman sends cell phones into the stratosphere aboard solar-powered hot-air balloons. You might be surprised what sounds they record up there. These balloons listen to the Earth from a dozen ...
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