Detection of an echo emitted by Sagittarius A* 200 years ago

Read more at In this video: The echo emitted during the Sgr A* flare (located outside the image) sweeps out a circle across the image of the Galactic center. The luminosity of the sources of radiation (or of the echo, for IXPE) is converted into an audio spectrum, 51 octaves below the true frequencies (52 octaves for the echo). Credit: NASA/CXC/SAO/IXPE Subscribe: Join Science X channel to support our mission: Thank you for helping our YouTube channel reach new heights! Hitting subscribe aids us in our mission to bring you the latest and greatest research news in science, medicine and technology.