Teacher's guide for NF-58 comparing the planets
By: [prepared for the National Aeronautics and Space Administration, by Robert E. Murphy].
Contributors: United States. National Aeronautics and Space Administration.
Series: NF-109; NASA facts -- NF-109.
Publisher: The Administration; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1980
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 15
Subjects: Planets -- Observers' manuals.; Solar system -- Observers' manuals.
Notes: "July 1979"--P. 2 of cover.