1. The Origins and Evolution of Weak Low Ionization Quasar Absorption Line Systems Open Access Author: Narayanan, Anand Title: The Origins and Evolution of Weak Low Ionization Quasar Absorption Line Systems Graduate Program: Astronomy and Astrophysics Keywords: quasar absorption linesgalaxiesintergalactic mediumspectroscopyabsorption linescircumgalactic gashigh velocity clouds File: Download Thesis_AN.pdf Committee Members: Jane Camilla Charlton, Committee Chair/Co-ChairEric D Feigelson, Committee MemberDerek Brindley Fox, Committee MemberGordon Paul Garmire, Committee MemberMilton Walter Cole, Committee Member