Astronomers Capture Mysterious 'Chorus Waves' Emerging From Deep Space

[Judi Lynn]

26 January 2025
By David Nield

An international team of astronomers has detected mysterious chirping signals in an unexpected region of space, raising major questions about how they're created.

Known as chorus waves, these signals are split-second bursts of electromagnetic radiation emitted from high above Earth's surface. When converted into an audio format and drawn out, they sound eerily like birds chirping.

We've known about them for decades, and the consensus is that they're caused by plasma instability: ionized gas falling out of equilibrium and spilling waves of electromagnetism in distinct patterns.

You can take a listen below:

More:
https://www.sciencealert.com/astronomers-capture-mysterious-chorus-waves-emerging-from-deep-space