Verba, Joan Marie. Voyager : : exploring the outer planets / [electronic resource] / Joan Marie Verba.. — Minneapolis : : Lerner Publications Co.,, c1991.. — 64 p. : : ill. (some col.) ; 23 cm.
Includes bibliographical references (p. 61) and index.
Анотація: Examines the development and travels of the space probes Voyager 1 and Voyager 2 and how they have expanded our knowledge of the solar system.