Listen in on the Perseid meteor shower

The Moon is putting a big wet blanket on this year's Perseid meteor shower, making it hard to see them. But that's OK: if you can't see them, why not listen to them? Sounds weird, but thanks to SpaceWeatherRadio, now you can! You're not really hearing sound, of course: meteors burn up in our atmosphere at a height of 100 km or so, too high to directly carry sound waves. But the Air Force has a radar surveillance facility in Texas that beams radio waves into the sky. When a bit of cosmic fluff streaks through our sky, the ionized trail it leaves reflects the radio waves, producing an echo. This radio wave is then translated into sound, so you can effectively hear a meteor! Here's an example of a Geminid meteor; it sounds like it could've been pulled right off the soundtrack for "Forbidden Planet". There's also more info ...