The evolving universe
Subtitle: structure and evolution of the universe : roadmap 2000-2020.
Contributors: United States. National Aeronautics and Space Administration.
Publisher: NASA
Published: 1997
Place of publication: [Washington, D.C.?]
Subjects: United States. National Aeronautics and Space Administration.; Galaxies -- Evolution -- Research -- United States.; Large scale structure (Astronomy) -- Research -- United States.; Astronomy -- Research -- United States.; Cosmology.