Discovering the universe /
Kaufmann, William J.
Discovering the universe / William J. Kaufmann, III. - 3rd ed. - New York : W.H. Freeman, c1993. - xiv, 420 p. : ill. (some col.).
0716722968
Astronomy.
Cosmology.
Expanding universe.
Discovering the universe / William J. Kaufmann, III. - 3rd ed. - New York : W.H. Freeman, c1993. - xiv, 420 p. : ill. (some col.).
0716722968
Astronomy.
Cosmology.
Expanding universe.