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Mysterious Sounds Recorded During Near Space Balloon Flight
An anonymous reader writes: LiveScience reports on strange sounds recorded by microphones on board a high altitude balloon. The sounds were captured at altitudes of up to 36 kilometers, higher than any such experiment to date. Most of the noises are in Infrasound frequencies — below 20 Hz. Researchers aren't sure what caused the noises, but they have a few theories: "a wind farm under the balloon's flight path, crashing ocean waves, wind turbulence, gravity waves, clear air turbulence, and vibrations caused by the balloon cable."
its not politically correct. They prefer to be called undocumented martians
have you seen my sig? there are many others like it but none that are the same
That's so racist! Not all undocumented extraterrestrial immigrants are Martians, neither are all Martian immigrants undocumented.
Required reading for internet skeptics