By Cristina Ramos Almeida

Abstract: "The material surrounding accreting supermassive black holes connects the active

By Y.Q. Xue

Abstract: "The Chandra Deep Fields (CDFs), being a major thrust among extragalactic

By D. Rogantini

Abstract: "The chemical and physical properties of interstellar dust in the densest

By Silvano Molendi

Abstract: "Background has played an important role in X-ray missions, limiting the