An introduction to physics
Subtitle: sky photograpghs for derivation of orbit of Mars
By: [Harvard Project Physics]
Edition: Preliminary version 1967-68.
Publisher: Harvard Project Physics
Published: 1967
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 23
Subjects: Physics; Study and teaching (Secondary); Photographs
Other titles: Sky photographs for derivation of orbit of Mars; Sky photographs for Mars experiment
Notes: Cover title: Sky photographs for Mars experiment.

"Enlarged sections of Sky Patrol photographs taken between 1931 and 1950 at the Harvard College Observatory. Mars appears on each photograph"--t.p.

"This document is a preliminary final version of one of many instructional materials being developed by Harvard Project Physics. Harvard Project Physics is a course development project that is engaged in developing, testing, revising and supplementing instructional materials, on educational research, and in teacher education."--flyleaf.

"The work of the project has been financially supported by the Carnegie Corporation of New York, the Ford Foundation, the National Science Foundation, The Alfred P. Sloan Foundation, the United States Office of Education, and Harvard University."--flyleaf.