NASA's Solar Dynamics Observatory captured a huge filament on the unhappy face of our Sun on February 10th. The scary fissure, which looks like a grimace on the surface of the star, is actually an enormous swathe of colder material hovering in the sun's atmosphere. Read more >
You are looking at the visual representation of space data collected by NASA satellites over long periods of time, turned into sound. Going through all that data could take forever, so they have taken to sonifying the data – which can be analysed in minutes instead of weeks.
For the first time ever, NASA has been able to capture a massive solar eruption with unprecedented detail using IRIS, a highly sensitive instrument that can only cover a relatively small zone of the Sun at any give time. Catching this involved "some educated guesses and a little bit of luck."