29K views · 517 reactions | What does space sound like? To get an idea, listen to this star. #SoundtrackOfAustralia Pulsars are tiny spinning neutron stars. They rotate like a lighthouse, sending beams of radio waves across space. As the beams cross Earth, Parkes records them. Here Dr George Hobbs (CSIRO) converts the signal into a sound which is the repetitive clicking that you hear. The beat of a pulsar is so steady, it could keep an orchestra in time. | ABC Science | Facebook

What does a black hole sound like? Both “creepy” and “ethereally beautiful,” according to people who’ve listened to an audio clip posted on Twitter by NASA. The U.S. space agency tweeted what it called a remixed sonification of the black hole at the center of a galaxy cluster known as Perseus, which lies about 240 million light-years from Earth. The sound waves identified there nearly two decades ago were “extracted and made audible” for the first time this year, according to NASA. The idea that