A universe to explore
Subtitle: a space sciences source book for junior high school teachers.
Contributors: United States. National Aeronautics and Space Administration.
Published: 1969
Place of publication: [Washington]
Language: eng
Number of pages: 139
Subjects: Space sciences -- Study and teaching.
Notes: Bibliography: p. 135-137.
"Prepared from materials developed by a committee of junior high school science teachers working in a cooperative project sponsored by the National Science Teachers Association and the National Aeronautics and Space Administration."