evidence: Without getting too existential, let's dive into how NASA captured these sounds, the recordings of which were first released earlier this year, and what else we can "hear" in space. [...] NASA has shared a lot of sonifications in the past, including some created using radio waves captured by spacecraft, which it converted into some pretty eerie sound waves. [...] In its sonifications of the black hole in the M87 galaxy, which was first imaged in 2019, NASA created audio using X-ray, optical light and radio wave data from ground and space telescopes.