AGN ARE ASSUMED TO BE OBSCURED BY A DUSTY GAS TORUS ORIGINALLY DESCRIBED AS HOMOGENEOUS. RECENT STUDIES SHOW VARIABILITY IN THE HYDROGEN COLUMN DENSITY OF THIS OBSCURING MATERIAL LEADING US TO BELIEVE THE TORUS IS PATCHY RATHER THAN UNIFORM.
$40,000FY2021National Aeronautics and Space AdministrationNASA
Clemson University, Clemson SC