Newly Discovered Type of AGN (IMAGE) NASA/Goddard Space Flight Center Caption In the newly discovered type of AGN, the disk and torus surrounding the black hole are so deeply obscured by gas and dust that no visible light escapes, making them very difficult to detect. This illustration shows the scene from a more distant perspective than does the other image. Credit Aurore Simonnet, Sonoma State University. Usage Restrictions None License Licensed 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.