The Nature of Stars(40 slides) $80

This slide set explores the basic physical qualities of stars such as size, mass, characteristics, brightness, inverse square law, magnitude scale, star maps, photographs, triangulation to determine distance, color-magnitude diagram, binaries, variables, unstable stars, mass exchange and novas in close binary systems.

Copyright 1999 by Pan Terra Inc., PO Box 556, Hill City, SD, USA 57745.

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