(IMAGE) Goethe University Frankfurt Caption Example of a simulation of how the gas orbits the black hole in the center of our Milky Way and emits radio waves at 1.3 mm. Credit Younsi, Fromm, Mizuno & Rezzolla (University College London, Goethe University Frankfurt Usage Restrictions To be used free of charge when mentioning the copyright License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.