Soaring to the depths of our universe, gallant spacecraft
roam the cosmos, snapping images of celestial wonders. Some spacecraft
have instruments capable of capturing radio emissions. When scientists
convert these to sound waves, the results are eerie to hear. In time
for Halloween, we've put together a compilation of elusive "sounds" of
howling planets and whistling helium that is sure to make your skin
Click with caution.
Hear intriguing radio
waves that NASA's Cassini spacecraft collected near Jupiter in
Listen closely to hear ghostly planetary plasma waves collected by NASA's
If you're squeamish,
you may not want to listen to the strange whistle of ultra-cold
liquid helium-3 that changes volume relative to the North Pole
and Earth's rotation.
And beware the weird radio emissions Galileo gathered from Jupiter's
largest moon, Ganymede.