Title :
An X-Ray Study of Gravitational Lenses
Author :
George Chartas استاد مشاور , Michael Eracleous استاد مشاور , Robin Ciardullo استاد مشاور , Gordon P. Garmire استاد راهنما
University :
The Pennsylvenia State University
Major :
PhD )Astronomy and Astrophysics(
Keyword :
gravitational lenses , active galactic nuclei , cosmology , Dark matter
