Extragalactic astronomy
Subtitle: the universe beyond our galaxy
By: by Kenneth Charles Jacobs
Publisher: National Aeronautics and Space Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 38
Subjects: Astronomy; Study and teaching; Galaxies
Notes: "A curriculum project of the American Astronomical Society, prepared with the cooperation of the National Aeronautics and Space Administration and the National Science Foundation."

Bibliography : p. 35-38.