Twenty-one activities concerning where we are in space and time
Subtitle: science teaching through its astronomical roots.
Contributors: Project STAR.; Harvard-Smithsonian Center for Astrophysics.
Publisher: Project STAR, Harvard-Smithsonian Center for Astrophysics
Published: 1990
Place of publication: Cambridge, MA
Language: eng
Number of pages: 176
Subjects: Astronomy -- Study and teaching