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