Hynek, Joseph Allen, 1910-
Challenge of the universe / by J.Allen Hynek ,Student activities by Norman D. Anderson. Illustrated by Helmut Wimmer. Advisory group: research scientist, Nancy G. Roman; science educator, John S. Richardson; science teacher, Norman D. Anderson. - New York : Scholastic Book Services. c1962 - 143 p. : illus. ; 20 cm. - Vistas of science, 4 .
Includes bibliography.
62013888
Astronomy.
QB44 / .H9
523.01 / HYC
Challenge of the universe / by J.Allen Hynek ,Student activities by Norman D. Anderson. Illustrated by Helmut Wimmer. Advisory group: research scientist, Nancy G. Roman; science educator, John S. Richardson; science teacher, Norman D. Anderson. - New York : Scholastic Book Services. c1962 - 143 p. : illus. ; 20 cm. - Vistas of science, 4 .
Includes bibliography.
62013888
Astronomy.
QB44 / .H9
523.01 / HYC