This printable word search puzzle on the topic of Astronomy & Space contains 12 hidden words in a 24x24 letter grid. Words go horizontally, vertically, backwards, and diagonally. This word search is also available to download as a Microsoft Word document or a PDF.
THE SUN IS IN THE CENTRE
PLANETARY MOVEMENT
RETROGRADE MOTION
EXTERIOR PLANETS
INFERIOR PLANETS
SOLAR SYSTEM
HELIOCENTRIC
GEOCENTRIC
COPERNICUS
DEFERENT
EPICYCLE
PTOLEMY