The Sounds of Science: Tsunami Waves

“The tsunami causes the ionized gas that is out there to resonate — ‘sing’ or vibrate like a bell.”

 Edward C. Stone, the David Morrisroe Professor of Physics, characterizes the sounds of “tsunami waves” that helped signal Voyager I’s entrance into interstellar space. These waves of pressure are caused by coronal mass ejections from the sun. Stone is the project scientist for the Voyager mission based at Caltech.