Seeds, Michael A. Horizons : exploring the universe / Michael A. Seeds, Dana E. Backman. - 11th ed. - Belmont, CA : Thomson Brooks/Cole, c2010. - xv, 484 p. : col. ill. ; 28 cm. Includes index. ISBN: 9780495559733 0495559733 LCCN: 2008937384 Subjects--Topical Terms: Astronomy. LC Class. No.: QB45.2 SEE 2010 / .S44 2010