Astro
Subtitle: exploring the invisible universe of ultraviolet and x-ray astronomy
Series: NP -- 121; NP (Series) -- 121
Publisher: National Aeronautics and Space Administration
Published: 1989
Place of publication: Washington, D.C.?
Language: eng
Number of pages: 40
Subjects: X-ray astronomy; Popular works; Ultraviolet astronomy; Astronomy; Space sciences
Other titles: Exploring the invisible universe of ultraviolet and x-ray astronomy.