Chapter 1 Introduction

Chapter 2 Distribution of Interstellar Hydrogen Atoms in the Heliosphere and Backscattered Solar Lyman-α

Chapter 3 Solar Parameters for Modeling the Interplanetary Background

Chapter 4 Thirty Years of Interplanetary Background Data: A Global View

Chapter 5 Lyman-α Models for LRO LAMP from MESSENGER MASCS and SOHO SWAN Data

Chapter 6 New Horizons Cruise Observations of Lyman- α Emissions from the Interplanetary Medium

Chapter 7 A New Catalog of Ultraviolet Stellar Spectra for Calibration

Chapter 8 Absolute Ultraviolet Irradiance of the Moon from the LASP Lunar Albedo Measurement and Analysis from SOLSTICE (LLAMAS) Project

Chapter 9 Lyman-α Observations of Comet Holmes from SORCE SOLSTICE and SOHO SWAN