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Discovering Our World

Seeking answers to questions asked by the greatest thinkers known to humankind! 
WORD LIST
APPEARANCE
ARISTOTLE
ASTRONOMERS
ATMOSPHERE
CELESTIAL
CLIMATE
COPERNICUS
DISCOVERY
GALILEOS
GRAVITY
HEAVENLY
HELIOCENTRIC
ILLUSION
LIPPERSHEY
NEWTON
ORBITING
PHASES
PTOLEMY
PYTHAGORAS
REFRACTING
REVOLVES
SCIENTISTS
SPHERES
TELESCOPE
UNIVERSE