Planet Mars(30 slides) $60

This slide set shows Mars' orbit relative to Earth, configurations of Mars, oppositions, seasons, Earth comparisons, size, composition, internal structure, atmosphere, temperature/pressure profiles, temperature variations, atmospheric circulation, geologic landforms, volcanics, crater terrain, canyons, rivers, poles and full disk images.

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

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