Annu. Rev. Astron. Astrophys. 1991. 29: 89-127 Copyright © 1991 by Annual Reviews. All rights reserved

Reprinted with kind permission from Annual Reviews, 4139 El Camino Way, Palo Alto, California, USA

Key words: extragalactic, dust scattering, neutrinos, hydrogen fluorescence

Table of Contents

• CONTEXT
• The Cosmic Background Spectrum
• The Importance of the Diffuse Ultraviolet Background
• A SAMPLE OF DATA
• HI 1216 Å Lyman Radiation
• Radiation from Terrestrial OI
• Radiation from Terrestrial NO
• Shuttle Glow
• Stars
• Dark Current
• Cosmic Ultraviolet Background Radiation
• ZODIACAL LIGHT AND THE COSMIC BACKGROUND LONGWARD OF 1800 Å
• RADIATION BETWEEN 912 AND 1216 Å
• THE BACKGROUND 1216 TO 1800 Å
• Example of a Data Set
• Apollo 17
• Example of a Conflict
• Apollo-Soyuz
• Evidence For Scattering From Dust?
• More Evidence For Scattering From Dust?
• More Observations
• UVX
• CONCLUSIONS
• Spectral Structure in the Diffuse Ultraviolet Background
• Is There Light Scattered From Dust?
• Diffuse Cosmic Ultraviolet Background Radiation
• FUTURE DIRECTIONS
• REFERENCES